davismic00177 davismic00177
  • 07-06-2022
  • English
contestada

The polio virus cannot live in an immunized individual, and we have Jonas Salk to thank. In 1953, he injected himself, his family, and other volunteers with the polio virus.

Respuesta :

gabriela292 gabriela292
  • 07-06-2022

Answer:

it could be why polo is here because of sickness

Explanation:

how do i know? because i kniow

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