St George’s was one of the hospitals’ named within the report published last week following an inquiry into the scandal.
People who had a blood transfusion or received blood products before 1996 may have been given infected blood.
This means they could have been infected with hepatitis B, hepatitis C or HIV.
Victims could each receive payments of more than £2 million under a compensation scheme announced by the government.
St George’s is directing people with concerns and questions to the new NHS online resource and the details can be fud on its website.