steff89 steff89

15-01-2021
Biology

contestada

A/ an __________ is an injection of a weakened form of a
pathogen to help the individual gain immunity from a
disease.

- antibiotic
- virus
- vaccine
- vacuum
HELP PLEASE

Respuesta :

ayeshag2004 ayeshag2004

15-01-2021

Answer:

vaccine

Explanation:

Answer Link

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