Question

Who prepared the first cholera vaccine?​

Answer 1

Answer:

In 1892, Waldemar Haffkine developed an effective vaccine with less severe side effects, later testing it on more than 40,000 people in the Calcutta area from 1893 to 1896. His vaccine was accepted by the medical community, and is credited as the first effective human cholera vaccine.

Answer 2

In 1892, Waldemar Haffkine developed an effective vaccine with less severe side effects, later testing it on more than 40,000 people in the Calcutta area from 1893 to 1896. His vaccine was accepted by the medical community, and is credited as the first effective human cholera vaccine.