Table I.

Distribution of CTXM15 among CTXM1-positive isolates of Escherichia coli and Klebsiella pneumoniae at four centres of India

Centre name	Organism	CTXM1	CTXM15	Per cent positive
AIIMS, New Delhi	E. coli	15	15	100
	K. pneumoniae	28	25	89.2
PGIMER, Chandigarh	E. coli	8	8	100
	K. pneumoniae	36	35	97.2
CMC, Vellore	E. coli	25	22	88
	K. pneumoniae	15	12	80
JIPMER, Puducherry	E. coli	16	14	87.5
	K. pneumoniae	4	1	25

AIIMS, All India Institute of Medical Sciences; CMC, Christian Medical College; JIPMER, Jawaharlal Institute of Postgraduate Medical Education & Research; PGIMER, Postgraduate Institute of Medical Education & Research