Abstract
O- and K-antigens of 3 strains of Vibrio parahaemolyticus isolated from patients with acute diarrhea who had returned home from the Philippines and 2 strains isolated in Bangladesh were analyzed. It was found that all the strains possessed new O-antigen. The K-antigens of the 5 strains were different from the 58 K-antigens already reported. Moreover, there was a difference in K-antigen between the Philippine and Bangladesh strains.
The new O- and K-antigen of V. parahaemolyticus AQ-3206 (a strain from the Philippines) were designated O-AQO1 and K-AQK1, respectively. Antigenic type O-AQO1: K-AQK1 was proposed as a new antigenic type of V. parahaemolyticus.
