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91福利社 Minute: On Prep
It's seen as an important tool in combating the spread of HIV.
Prep, a pill you take before having sex, is highly effective at preventing an HIV transmission.
In this 91福利社 Minute we explain how the drug works.
(Image: A blue Prep pill. Credit: 91福利社).
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91福利社 Minute: On Life—91福利社 Minute
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