vectorborne disease: malaria

water contact disease: schistosomiasis

respiratory disease: meningococcal meningitis

animal contact disease: rabies (2009)

Nationality:

noun: Chadian(s)

adjective: Chadian

Ethnic groups:

Sara 27.7%, Arab 12.3%, Mayo-Kebbi 11.5%, Kanem-Bornou 9%, Ouaddai 8.7%, Hadjarai 6.7%, Tandjile 6.5%, Gorane 6.3%, Fitri-Batha 4.7%, other 6.4%, unknown 0.3% (1993 census)

Religions: