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](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/04/041219_ti_hivdrug_feat.jpg?fit=860%2C460&ssl=1)
RESULTS MAY VARY Genetic variants may stymie how well the antiretroviral drug tenofovir works in some people.
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