In April 1991, the doctor and journalist  published an article in the French weekly magazine the  showing that the  knowingly distributed blood products contaminated with HIV to haemophiliacs in 1984 and 1985, leading to an outbreak of HIV/AIDS and hepatitis C in numerous countries. It is estimated that 6,000 to 10,000 haemophiliacs were infected in the United States alone.
In April 1991, the doctor and journalist published an article in the French weekly magazine Le Monde showing that they had knowingly distributed contaminated blood products to haemophiliacs in 1984 and 1985, resulting in a widespread outbreak of HIV/AIDS and hepatitis C in several countries. It is estimated that between 6,000 to 10,000 haemophiliacs were infected in the United States alone.