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A.M

Answers (3)

Anytime
I would pick D..but the whole c as none throws me off. Because Immunizations can help create antibodies but being exposed to sicknesses can produce some also. Maybe you should ask your teacher why this question is structured so weird.
Hmmm, well infectious diseases are usually spread easily because they are airborne. And viruses don't necessarily multiply like willie-nillie, they must first attach themselves onto a host cell and 'take over' and then the host cell will then replicate the

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