TABLE 3.

Characteristics of non-O1, non-O139 V. cholerae strains isolated during February and March 1996 in Calcutta^a

Strain no.	Date of isolation (day.mo.yr)	Sero- group	Cleavage pattern of the following genes:				Ribo- type	NMDCY A492	Tissue culture activity				Antibiogram
			hlyU	hlx	attRS1	toxR			CHO		HeLa
									TSB-YE	AKI medium	TSB-YE	AKI medium
AM107	29.2.1996	O144	HUII	HLII	A1	TR1	R1	1.43	Ct	Ct	Ct	Ct	A Cf Co Fz N Na Nx S
AM108	29.2.1996	O144	HUII	HLII	A1	TR1	R1	2.15	Ct	Ct	Ct	Ct	A C Co Fz N Na Nx S
AS60	29.2.1996	O144	HUI	HLII	A1	TR1	R1	1.59	Ct	Ct	Ct	Ct	A Cf Co Fz N Na S
AS61	29.2.1996	O144	HUI	HLII	A1	TR1	R1	1.51	Ct	Ct	Ct	Ct	A Cf Co Fz N Na Nx S
AM109	14.3.1996	O19	HUI	HLI	UP	TR3	R3	1.82	Ct	Ct	Ct	Ct	A Fz N S
AM111	18.3.1996	O12	HUI	HLI	UP	TR3	R4	ND	Ct	Ct	Ct	Ct	A Cf Fz N Na
AM112	19.3.1996	O39	HUI	HLI	UP	TR2	R5	2.13	Ct	Ct	Ct	Ct	A Fz N S
AM113	20.3.1996	O6	HUI	HLI	UP	TR2	R6	2.46	Ct	Ct	Ct	Ct	A Fz N S
AS64	21.3.1996	O11	HUI	HLI	A2	TR3	R2	1.21	Ct	Ct	Ct	Ct	A Fz N S
AS65	21.3.1996	O11	HUI	HLI	A2	TR3	R2	0.89	Ct	Ct	Ct	Cr	A Fz N S
AS66	21.3.1996	O11	HUII	HLI	—	TR3	R2	1.15	Ct	Ct	Ct	Cr	A Fz N S
AS67	25.3.1996	OUT	HUI	HLI	A2	TR3	R2	1.20	Cr	Cr	Ct	Cr	A Fz N S
AS68	29.3.1996	OUT	HUI	HLI	A2	TR3	R2	1.04	Ct	Ct	Ct	Cr	A Fz N S

^aAbbreviations: —, partial digestion; UP, unique pattern; Ct, cytotoxic; Cr, cell rounding; A, ampicillin; C, chloramphenicol, Co, co-trimoxazole; Cf, ciprofloxacine; Fz, furazolidone; N, neomycin; Na, nalidixic acid; Nx, norfloxacin; S, streptomycin; ND, Not done.