sleeping sickness

Lethargy was first observed in the 17th century.

Scientists are extremely concerned about a dangerous parasitic disease that is threatening the lives of millions of people across Africa.

This sleep sickness happened at the same time as the Spanish flu outbreak, so it was often forgotten and forgotten by history and people.

Chagas disease, which is a tropical disease caused by parasites, is transmitted to humans through blood-sucking insects, considered to be