Nkidi Machaba, District Health Management Team, Okavango District-Botswana Field Epidemiology Training Program, nkidimachaba@yahoo.com

Nesredin Oumer, Botswana Field Epidemiology Training Program, njami@afenet.net

Uzoma Ogbonna, Botswana Field Epidemiology Training Program, uogbonna@afenet.net