Emergence of Vibrio cholerae serogroup 0139 in Haryana in May-June 1993.

In an outbreak of acute watery diarrhoea, 11 strains of V. cholerae were isolated in May-June 1993 at Medical College, Rohtak. Eight of these belonged to serogroup Ogawa and three were identified as V. cholerae serogroup 0139. This is the first report of isolation of this novel serotype from this region