When an infected female Anopheles mosquito feeds on a person, it injects saliva into the skin, along with the Plasmodium parasite in a form called a sporozoite. These sporozoites migrate to the ...
The malaria-carrying one is mostly the female anopheles mosquito found in humid and low altitude areas, but Nairobi is mostly cold and conducive to Culex mosquitoes, which don’t transmit malaria.