An investigation of 11 outbreaks of foot-and-mouth disease in villages in northern Thailand

摘要: Abstract The results of investigations 11 outbreaks foot-and-mouth disease in villages northern Thailand are described. causative virus was Asia one seven outbreaks, Type O two and unknown outbreaks. most probable sources the were co-mingling cattle and/or buffalo with livestock from an infected neighbouring village (four) recent introductions a public market (two) while source could not be determined five Attack rates ranged 0.28% to 50.9% but no pigs became sick during any Most lasted 4 weeks or less. Adult at higher risk becoming case when compared work cattle. Beef than adult calves less 1 year age. There significant clustering cases within households. Serological indicated that many unaffected animals probably exposed We concluded close contact between main method spread differences attack animal classes reflected management. further simple quarantine early is likely effective reducing villages.