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Anarel [89]
3 years ago
14

--- are weakened virues or bacteria that prompt the development of antibodies but not the disease

Biology
2 answers:
vazorg [7]3 years ago
6 0

The correct answer is Vaccines, I did the test I think last year. #Brainiac

hammer [34]3 years ago
3 0

vaccines are weakened viruses or bacteria that prompt the body to develop antibodies to foght against disease

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