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Biology 9 Online
Cupcake123456:

Which of these is a weakened or dead form of a pathogen that causes an immune response? antibody vaccine antigen inflammation

Cupcake123456:

@Eiwoh2

dude:

Ideas?

Cupcake123456:

wait is it vaccine ?

dude:

Yes

Eiwoh2:

Correct, indeed. ^^

Cupcake123456:

thaks

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