Some people may have genes that hamper a drug’s HIV protection

Newly discovered genetic variants could explain why a common medication doesn’t protect all

tenofovir

RESULTS MAY VARY  Genetic variants may stymie how well the antiretroviral drug tenofovir works in some people.

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ORLANDO, Fla. — Some people’s genes may stop an antiretroviral drug from protecting them against HIV, a genetics study suggests.