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Text: In Vivo
Photo: jeff chiu / associated press

A pill that protects against AIDS

DRUG Truvada is a pill which, if taken daily, helps prevent infection by the AIDS virus with a success rate of more than 90%. The drug has been available in the United States since 2012 and is expected to hit the market soon in Canada and some European countries. Yet, to date, very few US doctors have prescribed Truvada to their patients, mainly due to the lack of information about the product, but also due to controversy surrounding the treatment, especially on social media. The pill is criticised for promoting unprotected sex.