Origins of Hutu, Tutsi and Twa of neighboring people, it was almost non-existent among Rwandan Tutsi. Presence of the sickle cell trait is evidence of survival in the presence of malaria over many centuries, suggesting differing origins. Regional studies of the ability to digest lactose are also supportive. The ability to digest lactose among adults is widespread only among desert-dwelling nomadic groups that have depended upon milk for millennia. Three quarters of the adult Tutsi of Rwanda and Burundi have a high ability to digest lactose, while only 5% of the adults of the neighboring Shi people of eastern Congo can. Among Hutu, one in three
Rwandan genocide remember is that there was a genocide. There was an attempt to eliminate Tutsis – men, women, and children – and to erase any memory of their existence." Out of a population of 7.3 million people, 84% of whom were Hutu, 15% Tutsi and 1% Twa, the official figures published by the Rwandan government estimated the number of victims of the genocide to be 1,070,014 in 100 days. It is estimated that about 300,000 Tutsi survived the genocide. Thousands of widows, many of whom were subjected to rape, are now HIV-positive. There were about 400,000 orphans and nearly 85,000 of