Janine Seetahal, in Viruses, 2018 Yellow fever virus Yellow fever is a severe illness caused by the homonymous Flavivirus (Yellow fever virus, YFV). The disease only occurs in Africa, South America, Central America, and the Caribbean; i.e., in areas with a tropical climate. It...
persist in meat for weeks. The ecology of Rift Valley fever and the reasons behind its periodic emergences have been the subject of intensive study. In brief, the reservoir of infection isAedesmosquitoes, especiallyAe. linneatopennis, which maintain the virus by transovarial transmission[79]. ...
It occurs in the southeastern United States, almost always in the winter months, and is transmitted to humans by the fleas and lice of the flying squirrel. Treatment is the same as for louse-borne typhus. Murine typhus is a less common variety, also known as tabardillo and endemic, rat,...
See all videos for this article 3 of 3 Diagram showing diversity among dipteransDiversity among the dipterans.(more) The slender elongated body of the adult is covered with scales, as are the veins of the wings. Mosquitoes are also characterized by long fragile-looking legs and elongated piercin...
Carlos J. Finlay was a Cuban epidemiologist who discovered that yellow fever is transmitted from infected to healthy humans by a mosquito. Although he published experimental evidence of this discovery in 1886, his ideas were ignored for 20 years. A gradu
known origin (FUO) as persistent fever higher than 38.3°C (101°F) that lasts for 3 weeks with no established diagnosis despite 1 week of inpatient investigations. More recently, the definition of FUO has been updated to reflect developments in medicine and technology; FUO is now defined as...
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Adult Still's diseaseAseptic meningitisDouble quotidian feverHepatosplenomegalyPericarditisRecurrent FUOBackground: Fever of unknown origin (FUO) has been defined as a fever of 鈮 101掳F that persists for 3 weeks or more. It is not readily diagnosed after 1 week of intensive in-hospital testing ...
Ebola haemorrhagic fever (EHF) is infamous for its high case-fatality proportion (CFP) and the ease with which it spreads among contacts of the diseased. We describe the course of the EHF outbreak in Masindi, Uganda, in the year 2000, and report on response activities. Methods We analysed ...
B1: Fever symptoms perceived, but temperature in range; ○ B2: No fever symptoms perceived, but temperature out of range. 2.7. Statistical Analyses Descriptive statistics with frequencies and proportion or median and interquartile range for non-normally distributed data were computed. For group differ...