months earlier, and his wife died in December 1976. Tissues of Røed, his wife and daughter all tested positive for HIV-1 type O, in an epidemiology study in 1988. Grethe Rask was a Danish surgeon who traveled to Zaire in 1964 then again in 1972 to aid the sick. She was likely directly exposed to blood from many Congolese patients, one of whom infected her. She became unwell in 1974, then returned to Denmark in 1977, with her colleagues baffled by her symptoms. She died of pneumocystis pneumonia in December 1977. Her tissues were examined and tested by her colleagues and found positive in 1987. A Portuguese man was treated at the Hospital for Tropical Diseases in London by Professor Anthony Bryceson until he died of the disease in 1978. He is the first confirmed case of HIV-2 and it is believed he was exposed to the disease in Guinea-Bissau, where he lived between 1956 and 1966. Herbert Heinrich was a German concert violinist who died in 1979. Tests in 1989 found that he was HIV-positive, and there has been speculation that he was infected by a prostitute who was infected by Noe. See also List of HIV-positive people History of HIV/AIDS Timeline of HIV/AIDS References External links Cribb, Julian, The White Death, Sydney: Angus & Robertson, 1996 History of HIV/AIDS HIV fr:Origine du virus de l'immunodéficience humaine#Premiers cas documentés