[Results of the first 9 months of testing for anti-HIV antibodies in blood donors in France].

An inquiry conducted in all the French blood transfusion centres from the 1st of July, 1985 to the 31st of March, 1986 in respect of blood donations confirmed to be positive for anti-HIV antibodies has given the following results: prevalence of 0.59 per thousand (1661/2,809,744); significant difference between first-time and regular blood donors (2.04% and 0.39% respectively); predominance of males (85%); 65% are less than 30 years old; the main risk factors are homosexuality (49%) and the use of I.V. drugs (28%).