Dr Jamil Darrouj

• Pulmonary/Critical Care Division
• Cooper University Hospital
• Robert Wood Johnson Medical School
• 393 Dorrance
• Camden
• USA

To summarize can high blood pressure medication cause joint pain cheap lisinopril 5 mg line, although there is some literature suggesting that affective disorders may be a risk fac to r for developing tardive dyskinesia in patients exposed to typical antipsychotics blood pressure chart bpm buy lisinopril 2.5mg visa, the findings are not compelling arteria rectal superior purchase genuine lisinopril line. Another consideration is to consider outcome as the severity of tardive dyskinesia rather than the relative risk of developing the condition artaria string quartet best order lisinopril. In this regard it is possible that patients with affective disorders who may develop tardive dyskinesia may be more incapacitated. Nonetheless, with the availability of other compounds such as lithium, anticonvulsants, or the atypical anti psychotic agents, the use of typical antipsychotics in affective disorders needs to be clearly justified. The superiority of the atypical agents also includes a more benign adverse effect profile with a lower risk of extrapyramidal side-effects, lower risk of tardive dyskinesia, lower risk of hyperprolactinaemia, and lower risk of anticholinergic side-effects. In addition to safety concerns the atypical agents appear to have a wider therapeutic spectrum in patients with schizo phrenia. Tohen agents, due to an affinity to sero to nin and norepinephrine recep to rs, may have mood-altering properties. Clozapine Reports of the efficacy of clozapine in bipolar and schizoaffective disorder first appear in literature in the early 1970s (Faltus et al. A number of publications have found clozapine to be highly effective in the treatment of bipolar disorder. However, the vast majority of those studies have been case reports or open-label trials. The authors identified a limited number of controlled studies that included patients with psychotic mood disorders or schizoaffective disorders. Of note, a double-blind com parison study was recently published by Barbini et al. The authors concluded that patients receiving clozapine had a faster onset of action than those receiving chlorpromazine. The difference was statistically significant at the first assessment at week two, and remained significant at week three. The review included two double blind studies, eight open-label, 10 retrospective studies and 10 case reports. Of those 30 studies, 10 provided information that enabled the authors to estimate an overall assessment of the efficacy of clozapine in terms of the percentage of patients responding to clozapine (McElroy et al. Of those 10 studies a to tal of 350 patients with psychotic mood disorders were treated with clozapine; of which these patients had a bipolar disorder and 221 had a schizoaffective disorder in the bipolar phase of the illness. When those patients were compared with schizophrenic patients in seven of the 10 studies (n = 692), the response of the schizophrenic patients was 61. The first one, conducted by Calabrese and colleagues (1996), reported Antipsychotics in acute mania 379 the use of clozapine in 25 patients with acute mania, non-responsive to lithium, valproate, and typical antipsychotics. Criteria for non-response included the use of lithium carbonate at a blood level of 0. In addition, patients were required to have a his to ry of not responding to a 6-week trial of a typical antipsychotic at a dose equivalent of 20 mg of haloperidol. The authors found that, in 22 of the 25 patients who completed the trial, 72% (18) had a marked improvement, and statistical significance was attained in the first week of treatment. A similar study, conducted at McLean Hospital (Tohen and Zarate 1998), included 24 patients who had a previous his to ry of failing to respond to typical antipsychotics (chlorpromazine 500 mg or equivalent or lithium 0. Fifteen patients were able to complete this 13-week trial, of whom 87% were classified as very much or much improved. In the Young Mania Rating Scale a 50% improvement was achieved in 93% of the patients. The studies conducted by Calabrese and colleagues, and at McLean Hospital, suggest that clozapine may be effective in treatment-resistant manic patients. Although the efficacy of clozapine in acute mania appears convincing, less evidence is available for its effects as a mood stabilizer. After the patients were treated with clozapine the mean number of hospital izations was 0. In another report by Suppes and colleagues (1999), there was a significant improvement in psychotic and affective symp to ms 6 months after being randomized through either clozapine or usual treatment. In a retrospective review that included 52 patients with bipolar disorder, 81 with schizoaffective disorder, and 14 with psychotic depression, the authors found that psychotic mania and schizoaffective bipolar patients had significantly better outcomes than patients with psychotic depression or schizoaffective-depressed type; suggesting that the index episode of mania or schizoaffective bipolar type predicted a better outcome. In addition, patients with a psychotic affective disorder had a better outcome in social 380 M. Tohen functioning compared to 40 patients with schizophrenia who were followed as a comparison group. A number of other case reports have also suggested that risperidone has mood-altering properties (Hillert et al. Similarly, Keck and colleagues (1995), in a retrospective chart review, found that patients with bipolar disorder or schizoaffective disorder depressed type had a good response when risperidone was added to mood stabilizers. The authors concluded that monotherapy with risperi done was of comparable efficacy to that of lithium and haloperidol. This review included 150 patients with psychotic disorders, including 47 patients with bipolar disorder with psychotic features, 29 patients with schizophrenia, 23 patients with schizoaffective disorder bipo lar type, 17 patients with schizoaffective disorder depressive type, 22 patients with major depression with psychotic features, and 12 patients with psychosis not otherwise specified. Of interest in this review is that Antipsychotics in acute mania 381 patients more likely to respond to olanzapine had a bipolar disorder diagno sis, were younger, female, and had a shorter duration of illness. McElroy and colleagues (1998) also reported that olanzapine was effective in treat ment-resistant mania. To date, two double-blind, placebo-controlled studies with olanzapine have been conducted. In this study, of 3 weeks duration, efficacy was assessed by mean change from baseline to end point. Of note, when patients with and without psychotic features were compared, no statistical difference was found in the difference of olanzapine relative to placebo. In order to assess an antidepressant response in this population of bipolar manic or mixed patients, a subgroup of patients who scored 20 or more in the Hamil to n Rating Scale were compared. This study suggests that olanzapine has a fast onset of action, and also that it may have mood-stabilizing properties in patients with acute mania. However, antidepressant properties still need to be confirmed in a population with bipolar depression. To summarize, antipsychotics in the treatment of mania have been utilized since they became available almost half a century ago. Although typical antipsychotics have proven to be a valuable treatment to ol for acute mania, they have limitations regarding the adverse effect profile, and possible depressogenic effects. The role that these agents will have in the treatment of bipolar disorder, vis-a vis mood stabilizers, remains unclear. Although the evidence of the efficacy in the treatment of acute mania has been demonstrated, studies assessing 382 M. Tohen its efficacy in bipolar depression and relapse prevention need to be con ducted to determine their role in the therapeutic armamentarium in the treatment of bipolar disorder. A controlled Nordic multicentre study of zuclopenthixol acetate in oil solution, haloperidol and zuclopenthixol in the treatment of acute psychosis. Clozapine therapy in refrac to ry affective disorders: polarity predicts response in long-term follow-up. Proceedings of the 32nd Annual Meeting of the American College of Neuropsychopharmacology; December 1993; Oahu, Hawaii, p. Incidence and correlates of tardive dyskin esia in first episode of schizophrenia. In: New Research Program and Abstracts of the 146th Annual Meeting of the American Psychiatric Association; 26 May 1993; San Francisco, Calif. Psychiatric Diagnosis in New York and London: a Comparative Study of Mental Hospital Admissions. A comparison of haloperidol, lithium carbonate and their combination in the treatment of mania. Predic to rs of occurrence, severity, and course of tardive dyskinesia in an outpatient population (Review; 37 refs). Treatment of manic episodes: zuclopenthixol and clonazepam versus lithium and clonazepam.

Syndromes

• Venomous bites and stings (see snake bite)
• Surgical removal of burned skin (skin debridement)
• Octreotide or pegvisomant is sometimes used for tumors that release growth hormone, especially when surgery is unlikely to result in a cure.
• Not being vaccinated against the mumps
• Eye pain
• Wearing dark glasses
• Anti-inflammatory medicines to reduce inflammation and swelling
• Hematoma (blood accumulating under the skin)
• Otherwise unusual-appearing genitalia at birth
• Comprehensive metabolic panel

Technology Impact their Mental Well Children Spend Using Digital Technology Being arrhythmia types lisinopril 5mg without prescription, Social Relationships and Physical Impact Their Mental Well-Being prehypertension birth control pills buy lisinopril overnight delivery, Social 45 Kraut blood pressure levels in pregnancy lisinopril 5mg low price, Robert arrhythmia monitoring discount lisinopril 10 mg online, et al. Children 2017 adolescent engagement About 63,000 responses from 13-year-olds strategy, a U-Report poll was organized to 24-year-olds in 24 countries were analysed in May and June 2017. Other (open-ended) Note: Questions and options were adapted in some cases to refect local contexts. Digital technology in their homes; Barriers to their digital technology use; A to tal of 484 adolescents to ok part in Digital technology and learning; 36 workshops (eight countries hosted more than one workshop). The average workshop Digital technology and their futures; size was 13 participants. Nigeria, Paraguay, Peru, Portugal, Republic of Korea Republic of Moldova, Senegal, Solomon Islands, Thailand, Timor-Leste, Tunisia, Uruguay and Vanuatu. The team of digital technology and the meanings then reviewed and discussed relevant data and aspirations they associate with and individual analyses, checking and refning their technology practices. Analyses were summarized and presented using quotes and images from Apart from one short survey, the participants; synopses, which included core bulk of collected data was qualitative. All data were digitized by participating offces and A companion report, Young and Online: uploaded to secure digital reposi to ries. More detailed information on methodology and data sources is available Efforts have been made to maximize the at <data. Nevertheless, data used at the country this volume includes the latest population level may differ in terms of the methods used estimates and projections from World to collect data or arrive at estimates, and in Population Prospects: the 2017 revision and terms of the populations covered. Furthermore, World Urbanization Prospects: the 2014 data presented here are subject to evolving revision (United Nations Department of methodologies, revisions of time series Economic and Social Affairs, Population data. Data quality is likely to be adversely ratios) and changing regional classifcations. It country infrastructure has been fragmented is therefore not advisable to compare data or where major population movements from consecutive editions of the State of the have occurred. Countries and areas are listed alphabetically in the tables on the following pages. Tuvalu; Uganda; United Republic of Tanzania; Vanuatu; Yemen; Zambia Iodized salt: the defnition of the indica to r presented in this report has changed from the past when it was about households consuming adequately iodized salt. In estimates are updated once annually in the absence of a direct method to measure July, following a consultation process this indica to r, full coverage is reported as wherein countries are provided draft reports the lower coverage estimate from semester for review and comment. The regional and global revision supersedes prior data releases, and aggregates only contain the 82 countries coverage levels from earlier revisions are not indicated as priority countries for national comparable. Therefore, are not comparable to estimates previously the recalculated data presented here may published. Therefore, national child was decided that more accurate estimates poverty rates should be used to moni to r are produced by using a household weight progress, but should not be used to compare that takes the last-stage selection in to or rank countries. Estimates from high under-fve mortality rates (over 70 per 1,000 are fed exclusively with breast milk in the 24 are above two standard deviations from data years prior to 2000 are not displayed. No data based on fewer than 25 based on a model ft for all of Europe and Central months of age who received at least 2 milk Vitamin A supplementation, full coverage unweighted cases are displayed. Data reported for children (aged <5), who reported having had more than one sexual partner in the estimates, July 2017. Estimates from available during the period specifed years prior to 2006 are not displayed. Lower secondary net enrolment ratio does not include x Data refer to years or periods other percentage of the to tal number of children of offcial primary than those specifed in the column If they fall within the noted reference school age. Because of of children attending lower secondary or tertiary school who Estimates from data years prior to available during the period specifed the inclusion of primary-school-aged children enrolled in are of offcial lower secondary school age, expressed as a 2000 are not displayed. Maternal mortality ratio values have been x Data refer to years or periods other than those comparable sets of maternal mortality data that reproductive age (15fi49 years) who have their need rounded according to the following scheme: specifed in the column heading. Please note that owing skilled health personnel (doc to r, nurse or midwife) rounded to nearest 10.

Approximately three quarters of cases among adolescents and young adults are caused by serogroups C hypertension nclex questions cheap lisinopril uk, Y heart attack under 40 order genuine lisinopril on line, or W-135 and potentially are preventable with available vaccines arteria vesicalis order generic lisinopril line. In infants hypertension goals jnc 8 purchase genuine lisinopril on line, 50% to 60% of cases are caused by serogroup B and are not preventable with vaccines available in the United States. Since introduction in the United States of Haemophilus infuenzae type b and pneumo coccal polysaccharide-protein conjugate vaccines for infants, N meningitidis has become the leading cause of bacterial meningitis in children and remains an important cause of septicemia. Disease most often occurs in children 2 years of age or younger; the peak inci dence occurs in children younger than 1 year of age. His to rically, freshman college students who lived in dormi to ries and military recruits in boot camp had a higher rate of disease com pared with people who are the same age and who are not living in such accommodations. Close contacts of patients with meningococcal disease are at increased risk of becom ing infected. Patients are considered capable of transmitting the organism for up to 24 hours after initiation of effective anti microbial treatment. Asymp to matic colonization of the upper respira to ry tract provides the source from which the organism is spread. Transmission occurs from person- to -person through droplets from the respira to ry tract and requires close contact. Outbreaks occur in communities and institutions, including child care centers, schools, colleges, and military recruit camps. However, most cases of meningococcal disease are endemic, with fewer than 5% associated with outbreaks. The attack rate for household contacts is 500 to 800 times the rate for the general population. Cultures of a petechial or purpu ric lesion scraping, synovial fuid, and other usually sterile body fuid specimens yield the organism in some patients. Because N meningitidis can be a component of the nasopharyngeal fora, isolation of N meningitidis from this site is not helpful diagnosti cally. This test particularly is useful in patients who receive anti microbial therapy before cultures are obtained. Empiric therapy for suspected meningococcal disease should include an extended spectrum cephalosporin, such as cefotaxime or ceftriaxone. However, susceptibility testing is not standardized, and clinical signifcance of intermediate susceptibility is unknown. Ceftriaxone clears nasopharyngeal carriage effectively after 1 dose and allows outpatient management for completion of therapy when appropriate. For patients with a serious penicillin allergy characterized by anaphylaxis, chloramphenicol is recommended, if available. If chloram phenicol is not available, meropenem can be used, although the rate of cross-reactivity in penicillin-allergic adults is 2% to 3%. For travelers from areas where penicillin resistance has been reported, cefotaxime, ceftriaxone, or chloramphenicol is recommended. In meningococcemia presenting with shock, early and rapid fuid resuscitation and early use of inotropic and ventila to ry support may reduce mortality. In view of the lack of evidence in pediatric populations, adjuvant thera pies are not recommended. The postinfectious infamma to ry syndromes associated with meningococcal disease often respond to nonsteroidal anti-infamma to ry drugs. Regardless of immunization status, close contacts of all people with invasive meningococcal disease (see Table 3. Currently licensed vaccines are not 100% effective, and some cases will be caused by serogroup B. The decision to give chemoprophylaxis to contacts of people with meningococcal disease is based on risk of contracting invasive disease. Throat and nasopharyngeal cultures are not recommended, because these cultures are of no value in deciding who should receive chemoprophylaxis. People who frequently slept in the same dwelling as the infected person within this period also should receive chemoprophylaxis. For airline travel lasting more than 8 hours, passengers who are seated directly next to an infected person should receive prophylaxis. Chemoprophylaxis ideally should be initiated within 24 hours after the index patient is identifed; prophylaxis given more than 2 weeks after exposure has little value. Rifampin, ceftriaxone, ciprofoxacin, and azithromycin are appropriate drugs for chemoprophylaxis in adults, but neither rifampin nor ciprofoxacin are recommended for pregnant women. If antimicrobial agents other than ceftriax one or cefotaxime (both of which will eradicate nasopharyngeal carriage) are used for treatment of invasive meningococcal disease, the child should receive chemoprophylaxis before hospital discharge to eradicate nasopharyngeal carriage of N meningitidis. Ciprofoxacin, administered to adults in a single oral dose, also is effective in eradi cating meningococcal carriage (see Table 3. In areas of the United States where ciprofoxacin-resistant strains of N meningitidis have been detected, ciprofoxacin should not be used for chemoprophylaxis. Use of azithromycin as a single oral dose has been 1 shown to be effective for eradication of nasopharyngeal carriage and can be used where ciprofoxacin resistance has been detected. Because secondary cases can occur sev eral weeks or more after onset of disease in the index case, meningococcal vaccine is an adjunct to chemoprophylaxis when an outbreak is caused by a serogroup prevented by a meningococcal vaccine. For control of meningococcal outbreaks caused by vaccine preventable serogroups (A, C, Y, and W-135), the preferred vaccine in adults and children 2 years of age and older is a meningococcal conjugate vaccine (see Table 3. Three meningococcal vaccines are licensed in the United States for use in children and adults against serotypes A, C, Y, and W-135. Both meningococcal conjugate vaccines are administered intramuscularly as a single 0. Routine childhood immunization with meningococcal conjugate vaccines is not recommended for children 9 months through 10 years of age, because the infection rate is low in this age group; the immune response is less robust than in older children, adolescents, and adults; and duration of immunity is unknown. However, a 1 meningococcal conjugate vaccine is recommended for children and adolescents who are in high-risk groups as a 2-dose series at 9 months through 55 years of age (Table 3. A booster dose at 16 years of age, is recommended for adolescents immunized at 11 through 12 years of age. Adolescents who receive the frst dose at 13 through 15 years of age, should receive a 1-time booster dose at 16 through 18 years of age. Children 2 through 10 years of age who travel to or reside in countries in which meningococcal disease is hyperendemic or epi demic should receive 1 dose. Children who remain at increased risk should receive a booster dose 3 years later if the primary dose was given from 9 months through 6 years of age and 5 years after the last dose if the previous dose was given at 7 years of age or older. Meningococcal immunization recommendations should not be altered because of pregnancy if a woman is at increased risk of meningococcal disease. All confrmed, presumptive, and probable cases of invasive meningococ cal disease must be reported to the appropriate health department (see Table 3. Timely reporting can facilitate early recognition of outbreaks and serogrouping of isolates so that appropriate prevention recommendations can be implemented rapidly. When a case of invasive meningococcal disease is detected, the physician should provide accurate and timely information about meningo coccal disease and the risk of transmission to families and contacts of the infected person, provide or arrange for prophylaxis, and contact the local public health department. Some experts recommend that patients with invasive meningococcal disease be evaluated for a terminal complement defciency.

Among Shigella isolates reported in industrialized nations including the United States in 2009 arteria doo order lisinopril 10mg on-line, approximately 86% were Shigella sonnei heart attack 60 buy online lisinopril, 12% were Shigella fexneri arrhythmia chest pain buy lisinopril mastercard, 1% were Shigella boydii arteria glutea superior generic lisinopril 5mg line, and less than 1% were S dysenteriae ( In resource-limited countries, especially in Africa and Asia, S fexneri predominates, and S dysenteriae often causes outbreaks. The primary mode of transmission is fecal-oral, although trans mission also can occur via contact with a contaminated inanimate object, ingestion of contaminated food or water, or sexual contact. Ingestion of as few as 10 organisms, depending on the species, is suffcient for infection to occur. Children 5 years of age or younger in child care settings and their caregivers and people living in crowded conditions are at increased risk of infection. Travel to resource-limited countries with inadequate sanitation can place travelers at risk of infection. Even without antimicrobial therapy, the carrier state usually ceases within 1 to 4 weeks after onset of illness; long-term carriage is uncommon and does not correlate with underlying intestinal dysfunction. The presence of fecal leukocytes on a methylene-blue stained s to ol smear is sensitive for the diagnosis of colitis but is not specifc for Shigella species. Although bacteremia is rare, blood should be cultured in severely ill, immunocompromised, or malnourished chil dren. Qualitative and quantitative polymerase chain reaction assays are being implemented in some clinical labora to ries. Available evidence suggests that antimicrobial therapy is somewhat effective in shortening duration of diarrhea and hastening eradi cation of organisms from feces. Treatment is recommended for patients with severe disease, dysentery, or underlying immunosuppressive conditions; in these patients, empiric therapy should be given while awaiting culture and susceptibility results. Antimicrobial susceptibility testing of clinical isolates is indicated, because resistance to antimicrobial agents is common and susceptibility data can guide appropriate therapy. In 2009 in the United States sentinel surveillance system, approximately 46% of Shigella species were resistant to ampicillin, 40% were resistant to trimethoprim-sulfamethoxazole, and less than 1% were resistant to ciprofoxacin and to ceftriaxone ( For susceptible strains, ampicillin or trimethoprim-sulfamethoxazole is effective; amoxicillin is less effective because of its rapid absorption from the gastrointestinal tract. General measures for interrupting enteric transmission in child care centers are recommended (see Children in Out-of-Home Child Care, p 133). Meticulous hand hygiene is the single most important measure to decrease transmission. Waterless hand sanitizers may be an effective option in circumstances where access to soap or clean water is limited and as an adjunct to washing hands with soap. Eliminating access to shared water-play areas and contaminated diapers also can decrease infection rates. Child care staff members who change diapers should not be responsible for food preparation. When Shigella infection is identifed in a child care attendee or staff member, s to ol specimens from symp to matic attendees and staff members should be cultured. The local health department should be notifed to evaluate and manage potential outbreaks. Ill chil dren and staff should not be permitted to return to the child care facility until 24 or more hours after diarrhea has ceased and, depending on state regulations, until one or more s to ol cultures are negative for Shigella species. The most diffcult outbreaks to control are outbreaks that involve children not yet or recently to ilet-trained, adults who are unable to care for them selves (mentally disabled people or skilled nursing facility residents), or an inadequate chlorinated water supply. A cohort system, combined with appropriate antimicrobial therapy, and a strong emphasis on hand hygiene, should be considered until s to ol cultures no longer yield Shigella species. In residential institutions, ill people and newly admitted patients should be housed in separate areas. Other important control measures include improved sanitation, a safe water supply through chlorination, proper cooking and s to rage of food, the exclusion of infected people as food handlers, and measures to decrease contamination of food and surfaces by housefies. People should refrain from recreational water venues (eg, swimming pools, water parks) for 1 week after symp to ms resolve. Case reporting to appropriate health authorities (eg, hospital infection control personnel and public health departments) is essential. Smallpox (Variola) the last naturally occurring case of smallpox occurred in Somalia in 1977, followed by 2 cases in 1978 after a pho to grapher was infected during a labora to ry exposure and later transmitted smallpox to her mother in the United Kingdom. In 1980, the World Health Assembly declared that smallpox (variola virus) had been eradicated successfully world wide. The United States discontinued routine childhood immunization against smallpox in 1972 and routine immunization of health care professionals in 1976. Following eradication, 2 World Health Organization reference labora to ries were authorized to maintain s to cks of variola virus. In 2002, the United States resumed immuni zation of military personnel deployed to certain areas of the world and initiated a civilian preevent smallpox immunization program in 2003 to facilitate preparedness and response to a smallpox bioterrorism event. Infected children may suffer from vomiting and seizures during this prodromal period. Most patients with smallpox tend to be severely ill and bedridden during the febrile prodrome. The prodromal period is followed by devel opment of lesions on mucosa of the mouth or pharynx, which may not be noticed by the patient. This stage occurs less than 24 hours before onset of rash, which usually is the frst recognized manifestation of infectiousness. With onset of oral lesions, the patient becomes infectious and remains so until all skin crust lesions have separated. The rash typically begins on the face and rapidly progresses to involve the forearms, trunk, and legs, with the greatest concentration of lesions on the face and distal extremities. By the sixth or seventh day of rash, lesions may begin to umbilicate or become confuent. Lesions increase in size for approximately 8 to 10 days, after which they begin to crust. Once all the crusts have separated, 3 to 4 weeks after the onset of rash, the patient no longer is infectious. Variola minor strains cause a disease that is indistinguish able clinically from variola major, except that it causes less severe systemic symp to ms, more rapid rash evolution, reduced scarring, and fewer fatalities. Generally, children with varicella do not have a febrile prodrome, but adults may have a brief, mild prodrome. Although the 2 diseases are confused easily in the frst few days of the rash, smallpox lesions develop in to pustules that are frm and deeply embedded in the dermis, whereas varicella lesions develop in to superfcial vesicles. Because varicella erupts in crops of lesions that evolve quickly, lesions on any one part of the body will be in different stages of evolution (papules, vesicles, and crusts), whereas all smallpox lesions on any one part of the body are in the same stage of development. The rash distribution of the 2 diseases differs; varicella most commonly affects the face and trunk, with relative sparing of the extremities, and lesions on the palms or soles are rare. Variola major in unimmunized people is associated with case-fatality rates of fi30% during epidemics of smallpox. The mortality rate is highest in children younger than 1 year of age and adults older than 30 years of age. In addition to the typical presentation of smallpox (90% of cases or greater), there are 2 uncommon forms of variola major: hemorrhagic (characterized either by a hemor rhagic diathesis prior to onset of the typical smallpox rash [early hemorrhagic smallpox] or by hemorrhage in to skin lesions and disseminated intravascular coagulation [late hem orrhagic smallpox]) and malignant or fat type (in which the skin lesions do not progress to the pustular stage but remain fat and soft). Each variant occurs in approximately 5% of cases and is associated with a 95% to 100% mortality rate. Other members of this genus that can infect humans include monkeypox virus, cowpox virus, and vaccinia virus. In 2003, an outbreak of monkeypox linked to prairie dogs exposed to rodents imported from Ghana occurred in the United States. Cowpox virus was used by Benjamin Jesty in 1774 and by Edward Jenner in 1798 as material for the frst smallpox vaccine. Smallpox is spread most commonly in droplets from the oropharynx of infected people, although rare transmission from aerosol spread has been reported. Infection from direct contact with lesion material or indirectly via fomites, such as clothing and bedding, also has been reported. Because most patients with smallpox are extremely ill and bedridden, spread generally is limited to household contacts, hospital workers, and other health care professionals. Secondary household attack rates for smallpox were considerably lower than for measles and similar to or lower than rates for varicella. Diagnostic work-up includes exclusion of varicella-zoster virus or other common condi tions that cause a vesicular/pustular rash illness.

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