Question

Write short notes on the following disesases:

Malaria.

Answer

Malaria: Malaria is caused by a protozoan parasite Plasmodium. This disease spreads through the bite of an insect vector–the female Anopheles mosquito which feeds on human blood. Male Anopheles mosquito feeds upon plant juice. Main symptoms of malaria include headache, nausea, muscular pain and high fever.

Malarial attack consists of three stages:

  1. Cold stage, feeling of extreme cold and shivers.
  2. Hot stage, high fever, faster respiration and heart beat.
  3. Sweating stage, due to profuse sweating, temperature of the body goes down to normal.

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