Controversial Vaccine studies: Why is Bill & Melinda Gates Foundation under fire from critics in India?

In 2009, several schools for tribal children in Khammam district in Telangana — then a part of undivided Andhra Pradesh — became sites for observation studies for a cervical cancer vaccine that was administered to thousands of girls aged between nine and 15. The girls were administered the Human Papilloma Virus (HPV) vaccine in three rounds that year under the supervision of state health department