According to the latest estimates, there are about 100,000 people in the UK are living with HIV, although experts say a quarter of those who are infected do not know they have it.
In 2011, there were around 6,000 new diagnoses of HIV in the UK.
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A fertility app is to be given free to one million Brazilian women in a bid to halt the spread of the Zika virus.
A woman who had a face transplant after a neighbour's chimpanzee ripped her face off is in hospital as her body is rejecting the tissue.
Trinity Mirror's new national daily will publish its final edition on Friday 6 May.