6.1  Climatic factors

Climatic factors greatly influence the pattern and level of malaria transmission in Ethiopia, in Africa and the world. The most important climatic factors that directly affect malaria transmission are temperature, rainfall and humidity. We will consider these in turn. You may find it useful first to look back at Figure 5.5 to remind yourself of the lifecycle of the malaria parasite.

Learning Outcomes for Study Session 6

6.1.1  Temperature