I need help with science/AIDS&HIV?!

Question: *semen, blood, vaginal secretions, believed to transmit HIV (two words)(10 letters, no spaces)
*Voluntarily doing without or refraining from something(one word)(10 letters)
*Against virus_______some experimental drugs used to treat AIDS(one word)(9 letters)

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Answers: *semen, blood, vaginal secretions, believed to transmit HIV (two words)(10 letters, no spaces)
*Voluntarily doing without or refraining from something(one word)(10 letters)
*Against virus_______some experimental drugs used to treat AIDS(one word)(9 letters)

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*bodyfluids
*abstinence or abstaining
*antiviral

I think

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