3 years ago

3. What are vaccines? Are there different types?

2 answers:

5 0

Answer:

A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease. Yes there several different types of vaccines.

Inga [223]3 years ago

4 0

Answer:Four types of vaccines are currently available: Live virus vaccines use the weakened (attenuated) form of the virus. The measles, mumps, and rubella (MMR) vaccine and the varicella (chickenpox) vaccine are examples

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3. What are vaccines? Are there different types?​

3. What are vaccines? Are there different types?