印度加尔各答市一直是霍乱的高发区,但目前几乎不能分离到“可培养”的O1群霍乱弧菌。相反,却意外地分离到大量的非O1群霍乱弧菌。为了确定环境中非O1群霍乱弧菌是否具有引起霍乱或有关腹泻的潜在可能性;是否能成为毒力因子的环 Calcutta, India, has been a high incidence of cholera, but Vibrio cholerae O1 group is almost impossible to isolate at present. In contrast, a large number of Vibrio cholera non-O1 isolates were unexpectedly isolated. To determine whether environmental non-O1 V. cholerae has the potential to cause cholera or diarrhea; whether it can be a virulence factor