And that idea is that from the germ's eye point of view, disease organisms have to get from one host to another, and often they have to rely on the well being of the host to move them to another host.

The immune system will eventually create antibodies for the microbe, but this is a slow process and, if the microbe is deadly, there may not be enough time for the antibodies to begin being used.

Malaria. The National Malaria Programme (PNM) is governed by the principles of the Global Strategy for Malaria Control, which aims first at ensuring access to timely diagnosis and treatment followed by the implementation of selective control measures, including antivectors.