Table 1. . Geographic distribution of the study population whose isolates were included in the study.

Geographic area	Number of cases, percentage
Tamil Nadu, India	25/90, 28%
West Bengal, India	23/90, 23%
Jharkhand, India	12/90, 13%
Andhra Pradesh, India	10/90, 11
Kerala, India	6/90, 7%
Bangladesh	5/90, 6%
Bihar, India	4/90, 4%
Chhattisgarh, India	2/90, 2%
Karnataka, India	2/90, 2%
Nepal	1/90, 1%