Rift Valley fever in South Africa: 2. The occurrence of human cases in the Orange Free State, the north-western Cape province, the western and southern Transvaal. A Epidemiological and clinical findings.
D000818:Animals; D006801:Humans; D012295:Rift Valley Fever / Q000453:epidemiology* / Q000706:statistics & numerical data*; D013019:South Africa
RIFT VALLEY FEVER/epidemiology and statistics