Biology, 10.12.2020 22:10 starfox5454

Which statement best describes how vaccines are used? A. Vaccines are added to the public water supply to prevent people
from getting sick.
B. Vaccines are given to help treat infections caused by viruses.
C. Vaccines are used to kill animals that commonly spread diseases
to people.
D. Vaccines are injected into a person to protect against an
infectious disease.

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