Writing Assignment

A comparative analysis on Ebola , Leishmania and Giardia

Ebola

Ebola hemorrhagic fever is caused by the Ebola virus . Ebola virus is a filovirus comprising five distinct species : Zaiire , Sudan , Cfte d 'Ivoire , Bundibugyo and Reston . Zaiire , Sudan and Bundibugyo species have caused higher fatality in Africa . The virus was first identified in regions of Sudan and Zapre in 1976 (Bowen et al , 1977 . According to the WHO , the Ebola virus infected 284 people in Sudan in 1976 , causing 151 deaths and 318 cases and 280 deaths in the Democratic Republic of

the Congo in 1977 . Yet another outbreak of Ebola was recorded in Sudan in 1979 which infected 33 cases resulting in 22 deaths . The rain forests of the African continent and areas of the Western Pacific are said to be the natural reservoir of the Ebola virus . Epidemics of Ebola have also been recorded in countries such as USA and Phillippines

Ebola hemorrhagic fever one of the most virulent viral diseases characterized by acute onset of fever , malaise , myalgia , headache , and pharyngitis followed by vomiting , diarrhea , maculopapular rash , limited renal and hepatic involvement and hemorrhagic diathesis (Beer et al 1999 . Incubation period ranges between 2 - 21 days and case fatality rate vary from 50 - 90 (Bwaka et al , 1999

Transmission of Ebola is mainly by direct contact with blood , body fluids and tissues of infected persons . Transmission has also occurred by handling sick or dead infected primates , forest antelope and fruit bats . There is no specific treatment and vaccine...