The Thai Journal of Veterinary Medicine


Foot and Mouth Disease (FMD) virus was isolated from three of five groups of animals four to five months after a clinical outbreak of the disease. FMD virus type A was isolated during the original outbreaks and was again isolated later. These results provide presumptive evidence of the persistance of FMD virus in affected animals, although we lack detail information comparing the strains isolated during the outbreak and subsequently. Persistent infection with FMD virus may be important in the epizootiology of the disease in Thailand and requires further study to assess its significance.

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