Systematic Veterinary Virology

STRAINS AND SEROTYPES

• There are seven serotypes of FMDV:
  • A, O, C, Asia 1, and Southern African Territories (SAT) 1, 2 and 3. Within these serotypes, over 60 subtypes have been described, and new subtypes occasionally arise spontaneously.
  • The distribution of serotypes and subtypes globally is given below.

Geographic location	Serotypes and subtypes
Europe (historically)	A (5), O (1), C (1)
Asia
Near East	A (22), O (1)
Middle East	A (22), O (1), C, Asia (1)
Far East	A, O (1), C, Asia (1)
Africa
Central East to West	A, O
Northeast Central and South	SAT 1, and 2
South	SAT 3
Serotype C is uncommon in Africa
South America	A (24), A (27), O (1), C (3)