Department of Life and Earth Sciences of Higher Teachers’ Training College, University of Maroua, Cameroon
Dieudonné Ndjonka is the Vice-Dean of Program and Academic Affairs at the Department of Biological Sciences, University of Ngaoundere, Ngaoundere, Cameroon. He has a special interest in the field of infectious diseases. He has done his Doctor from University of Hamburg, Germany.
Research
Onchocerciasis Prevalence and Transmission Potential of Simulium spp. in Three Areas of the Northern Regions of Cameroon
Author(s): Sanda Amadou, Djafsia Boursou, Pierre Saotoing and Dieudonné Ndjonka*
Background: Onchocerciasis is an infection caused by Onchocerca volvulus: A filarial nematode transmitted by
Simulium spp. More than 99% of infected people live in 30 countries in sub-Saharan Africa, 37 million people
are carriers of Onchocerca volvulus in Central and East Africa, and 800,000 blinds people are recorded. Villages in
northern Cameroon had more than 80% microfilaria index in 1991 with bilateral blindness rates 1.7% to 4.0%.
Methods: Three villages have been selected to study: Lagaye in the district of Touboro, Mandjiri in the department
of Vina (Adamawa), and Mayo-Salah in Mayo Rey Department. Concerning the parasitological research, the persons
to be examined have been gathered by sex (female and male) and age group. Three age groups were concerned: 5
to 9 years, 10 to 15 years, and beyond 16 years. Using a va.. View more»