Discussion
Which of the following biotypes of Vibrio cholerae are prevalent in India?
Answer: A
Correct answer: EI Tor
El Tor displaced the classical biotype worldwide during the seventh pandemic and is the one prevalent in India, along with the O139 serogroup that appeared in 1992. El Tor persists better in the environment and produces a higher proportion of mild and asymptomatic infections, which is part of why it spread so successfully.
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