<P> The World Health Organization first proposed a definition for AIDS in 1986 . Since then , the WHO classification has been updated and expanded several times , with the most recent version being published in 2007 . The WHO system uses the following categories : </P>
<P> The World Health Organization first proposed a definition for AIDS in 1986 . Since then , the WHO classification has been updated and expanded several times , with the most recent version being published in 2007 . The WHO system uses the following categories : </P>
when was the term ' aids ' first defined
when was the term ' aids ' first defined
1986
1986