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ScienceCLASS 9CBSE
answered 27 Mar 2026

Who discovered ‘vaccine’ for the first time? Name two diseases which can be prevented by using vaccines.

A.VERIFIED ANSWERfact-checked by tutors

Soln:

Edward Jenner discovered vaccine. Polio and tetanus are the disease which can be prevented by using vaccines.

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SCIENCE · CLASS 9