TABLE 2.

Emergence of O3:K6 serotype of Vibrio parahaemolyticus and its serovariants in Calcutta from January 1994 to December 2004^a

Serotype	No. of isolates											Total no. of isolates
	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
O3:K6			70	33	12	20	4	1	2	9	1	152
O1:KUT				6	5		3	4	2		3	23
O4:K68					7	5		1	2			15
O1:K25						1	22	1	6		18	48
O5:K25									1			1
O1:K33									1			1
O2:K3									1			1
OUT:KUT										1	1	2
O3:KUT										2	7	9
O3:K5											1	1
O4:K4											1	1
O4:K10											1	1
O5:KUT											2	2
O5:K17											1	1
Total			70	39	24	26	29	7	15	12	36	258

^aData in this table are from references 14, 15, 52, and 64 and from Dutta and Ramamurthy (unpublished data).