New Delhi, July 1 -- The programmes funded by USAID (US Agency for International Development) have prevented approximately 91.8 million deaths in the past 20 years, according to a new study published in The Lancet on Monday. The study highlights striking reductions of deaths associated with high levels of USAID funding, especially from diseases such as HIV/AIDS (65% reduction, corresponding to 25.5 million deaths prevented), malaria (51% reduction, 8.0 million), neglected tropical diseases (50% reduction, 8.9 million), diarrhoeal diseases (46% reduction, 11.2 million), lower respiratory infections (31% reduction, 8.9 million), and tuberculosis (29% reduction, 4.7 million). "In this retrospective impact evaluation integrated with forecasting...