A gay man has been diagnosed with HIV despite taking PrEP.

PrEP, sometimes known by the brand name Truvada, can stop new HIV transmissions. (Image: Getty)

The 34-year-old – who has not been named – started taking PrEP in December 2018 and was diagnosed with HIV in July of this year.

The majority of cases where HIV is contracted while on PrEP are thought to be due to poor adherence…