Find out how the HIV epidemic has changed over the past quarter of a century and how NAT (National AIDS Trust) has made a difference to the lives of people living with HIV in their 25 years.
NAT's 25th birthday short film
On this page you can also view video messages for World AIDS Day 2012 from the David Cameron, Nick Clegg and Ed Miliband. Click on the videos to hear the Prime Minister and party leaders pledge their ongoing support for people living with HIV and commitment to tackling HIV in the UK and abroad.
David Cameron - Prime Minister and Conservative Party Leader
Nick Clegg - Deputy Prime Minister and Liberal Democrat Party Leader
Ed Miliband - Leader of the Labour Party