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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The measures are set to be included in a court-mandated clean air strategy the Government is due to publish on Wednesday.
Low pressure in the Atlantic brings a spell of wet and windy weather on Wednesday.
Two men have been taken to hospital after a "suspected acid attack" in east London.