It's more than 30 years since the Aids epidemic - but some people still believe you can catch it from kissing or sharing a toothbrush.
There are 90,000 people living with the virus in the UK - with around 6,000 diagnosed in the last year.
So what are some of the most common misconceptions about HIV/Aids?
of Brits believe it can be passed through sharing a toothbrush
people believe it can be transmitted through scissors at the hairdresser
of Brits believe people with HIV can live into old age
know those on effective treatment can have kids without passing it on
Diagnoses are late meaning the immune system is already damaged
Find out more about World Aids Day here