Transmission of Plasmodium falciparum in urban Yaoundé, Cameroon, is seasonal and age-dependent.

Data on malaria transmission intensity and prevalences of asexual parasites and of gametocytes were obtained in an urban district of Yaoundé, Cameroon. The transmission level from mosquito to human was determined by indoor night capture of mosquitoes on human volunteers, revealing a calculated entomological inoculation rate of 34 infectious bites per person per year. Only Anopheles gambiae and A.