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» 02.11.2010 - Cameroon "new gorillas" need protection
» 12.02.2010 - "Overweight girls, undernourished boys" in Cameroon
» 19.01.2010 - Killer malaria found in gorillas
» 16.08.2004 - Bushmeat warning after new Cameroon virus
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» 23.03.2004 - New virus infections from bushmeat found in Central Africa
» 09.01.2004 - New polio cases in Benin, Cameroon
» 25.07.2003 - Africa's early ecologic-cultural history studied

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Health | Science - Education

Main malaria carriers identified in Cameroon

Malaria mosquito:
«Little is known about distribution and transmission.»

© afrol News / WHO
afrol News / SciDev.Net, 26 January
- A new study has pinpointed the mosquito species responsible for most malaria cases in south-western Cameroon - an area where little is known about the transmission of the disease.

The research, published in the scientific 'Malaria Journal' last week (17 January), could help in planning and implementing malaria control throughout West Africa, scientists hope.

Focusing on three coastal towns in south-western Cameroon, the 12-month study examined the transmission rates of three mosquito species that carry the malaria parasite.

The species Anopheles gambiae was found to be responsible for the highest rate of infection and transmission - 73 percent - in the region, while Anopheles funestus accounted for 23 percent and Anopheles nili, four percent.

Different malaria carriers breed in different areas and at different times. Anopheles gambiae, for example, breeds in small pools of muddy water formed by human activities, such as well-digging, the researchers found.

The results could improve the planning and implementation of malaria control activities in coastal Cameroon and the whole of West Africa, according to lead author Jude Bigoga, from the University of Yaoundé, Cameroon. The findings would help scientists understand the behaviour of different carriers and how they should be controlled.

Emmanuel Kafwembe, director of Zambia's Tropical Diseases Research Centre, told the science media 'SciDev.Net', "Knowing how each [carrier] behaves will help scientists develop a system of controlling each differently."

Malaria is a major health problem in Cameroon. According to the World Health Organisation (WHO), the country has over 900,000 cases a year. Children less than five years old are the most affected. Malaria still remains among Africa's main killers, especially of children.

Unlike the southern forested and northern savannah areas of Cameroon, little is known about distribution and transmission of the disease in Cameroon's coastal regions, according to the scientists.

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