isaacgarciacastillot isaacgarciacastillot
  • 21-09-2018
  • Biology
contestada

Why have scientists developed vaccines?

Respuesta :

989girlpower
989girlpower 989girlpower
  • 21-09-2018

Simple. To prevent against disease and other epidemics.

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AiyanaMarie1
AiyanaMarie1 AiyanaMarie1
  • 21-09-2018
To combat infectious diseases/ to immunize people to infectious diseases.
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