Table 7.

Strains testing positive for ctxAa

Serogroup FMU strain no.ETDivision or subdivision (group)Source
Reference
 O1 Ogawa El Tor*3Ia (A)India (1941), human
 O1 Inaba El Tor*259Ie India (1942), human
 O19*41Ia (B)
 O33*204Ia (C)India (1968), human
 O37*5Ia (A)India (1969), human
 O43*43Ia (B)India (1973), human
 O44*109Ia (B)India (1972), human
 O54*115Ia (B)India (1974), human
 O105*116Ia (B)India (1988), human
 O106*64Ia (B)China (1988), human
 O135*268II India (1992), human
 O138*270II Japan (1992), crab
 O139*3Ia (A)India (1993), human
Nonreference
 O1 Ogawa El Tor876683Ia (A)Morelos, human
 O1 Ogawa El Tor903343Ia (A)Mexico, human
 O1 Inaba El Tor872694Ia (A)Campeche, human
 O1 Inaba El Tor886962Ia (A)Louisiana, human
 O1 Inaba El Tor905003Ia (A)Tabasco, human
 O1 Inaba classical87395/02Ia (A)Quintana Roo, human
 O68875127Ia (A)Guatemala, human
 O139882303Ia (A)United States, imported case
  • a All strains were positive when tested with the ctxA probe and by PCR, with the exception of O1 Inaba El Tor*, which was probe positive but PCR negative.