Question

2
What do you mean by
contributory cause of
disease? Tell one contributory
cause of Malaria.​

Answer 1

Explanation:

Immediate cause: The organisms that enter our body and cause the disease are termed as an immediate cause. For example, virus, bacteria, protozoa etc. Contributory cause: The secondary factors which led these organisms enter our body are termed as a contributory cause.

Summary. Contributory cause is a clinicaUy useful concept of causation. It re- quires demonstration that (1) the pre- sumed cause precedes the effect and (2) altering the cause alters the effect. It does not require that aU those who possess the contributory cause experience the effect.

Malaria in humans results from infection by any of five species of Plasmodium transmitted by approximately 50 species of mosquitoes, all belonging to the genus Anopheles. In sub-Saharan Africa, the majority of deaths are caused by P.

falciparum and transmitted by An.

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