MILK-BORNE DIPHTHERIA A GENERATION AGO.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D004165:Diphtheria; D004813:Epidemiology; D006664:History; D008892:Milk; D013019:South Africa; D015047:Zoonoses
CATTLE DISEASES; DIPHTHERIA; EPIDEMIOLOGY; HISTORY; MILK; SOUTH AFRICA; ZOONOSES