Skip to main content
. 1999 Nov;37(11):3608–3611. doi: 10.1128/jcm.37.11.3608-3611.1999

TABLE 2.

Geographic distribution of Shigella isolates from patients with TD

Geographic area Total no. of isolates testeda No. of isolates that produced the indicated toxin:
S. flexneri(n = 22)
S. sonnei(n = 26)
S. dysenteriae(n = 3)
ShET-1 ShET-2 ShET-1 + ShET-2 None ShET-1 ShET-2 ShET-1 + ShET-2 None ShET-1 ShET-2 ShET-1 + ShET-2 None
America (17)b
 Central America 15 1 1 1 2 5 5
 South America 2 1 1
Africa (16)
 West Africa 9 1 4 2 1 1
 East Africa 4 1 3
 North Africa 3 3
Asia (18)
 India 14 1 1 4 5 3
 Middle East 2 1 1
 Southeast Asia 2 1 1
Total 51 2 3 8 9 15 11 3
a

Total number of strains in each geographic area. 

b

Values in parentheses are total number of strains from each continent.