A serogroup of non‐O1 Vibrio cholerae possessing the Inaba antigen of Vibrio cholerae O1

Abstract
A serogroup of non‐O1 Vibrio cholerae, tentatively named Hakata, possessing the C (Inaba) factor but not the B (Ogawa) and A factors of V. cholerae O1 is described. Strains of this serogroup were isolated from river and estuarine waters and from frozen shrimps.