what is vaccination how does antibiotics work
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Answer:
The Moderna vaccine is authorized for use in people 18 and older, and the Pfizer vaccine is authorized for use in those 16 and older. At this time, the COVID-19 vaccine has not been studied in children, and they're not authorized to receive the vaccination
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Answer:
vaccination is a dead or week pathogens
Explanation:
when dead or week pathogens enter into the body the immune system activate the WBCs and they kill the bacteria they develop antibodies and when the pathogen again enter body immune system activate antibodies
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