Rift valley fever in abattoir workers.
D000003:Abattoirs; D000818:Animals; D000914:Antibodies, Viral / Q000276:immunology; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D009784:Occupational Diseases / Q000276:immunology; D012295:Rift Valley Fever / Q000276:immunology*
D000914:Antibodies, Viral