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Rift Valley fever--Egypt, 1993. 1994

In June 1993, several persons in Aswan Governorate (1993 population: 952,000) in southern Egypt sought medical care for acute loss of vision following an illness characterized by fever, headache, retro-orbital pain, and myalgias. Ophthalmologists who examined these persons noted paramacular retinal hemorrhages and edema, and Rift Valley fever (RVF) was suspected; serologic studies of these patients confirmed the diagnosis of acute RVF (1,2). In August 1993, serologic surveys were conducted in two villages to estimate the prevalence of RVF virus (RVFV) antibody among persons residing in selected rural communities in Aswan Governorate. This report summarizes the findings of these serosurveys and two nested epidemiologic studies conducted in the same villages 2 weeks later.

UI MeSH Term Description Entries
D011159 Population Surveillance Ongoing scrutiny of a population (general population, study population, target population, etc.), generally using methods distinguished by their practicability, uniformity, and frequently their rapidity, rather than by complete accuracy. Surveillance, Population
D004534 Egypt A country in northern Africa, bordering the Mediterranean Sea, between Libya and the Gaza Strip, and the Red Sea north of Sudan, and includes the Asian Sinai Peninsula Its capital is Cairo. Arab Republic of Egypt,United Arab Republic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012295 Rift Valley Fever An acute infection caused by the RIFT VALLEY FEVER VIRUS, an RNA arthropod-borne virus, affecting domestic animals and humans. In animals, symptoms include HEPATITIS; abortion (ABORTION, VETERINARY); and DEATH. In humans, symptoms range from those of a flu-like disease to hemorrhagic fever, ENCEPHALITIS, or BLINDNESS. Fever, Rift Valley
D016036 Seroepidemiologic Studies EPIDEMIOLOGIC STUDIES based on the detection through serological testing of characteristic change in the serum level of specific ANTIBODIES. Latent subclinical infections and carrier states can thus be detected in addition to clinically overt cases. Seroprevalence,Seroepidemiologic Study,Seroepidemiological Study,Studies, Seroepidemiologic,Study, Seroepidemiologic,Seroepidemiological Studies,Seroprevalences,Studies, Seroepidemiological,Study, Seroepidemiological

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