Taking antiviral drug ‘on demand’ guards against HIV
![HIV infecting an immune cell](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/12/ticker_hiv_credit_niaid-flickr.jpg?fit=860%2C460&ssl=1)
POPPING PILLS Taking antiviral drugs before and after sex can protect people from acquiring HIV, shown here as particles infecting a human immune cell.
NIAID/Flickr
POPPING PILLS Taking antiviral drugs before and after sex can protect people from acquiring HIV, shown here as particles infecting a human immune cell.
NIAID/Flickr