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Does all mosquitoes transmit malaria

Jun 06, 2018

Only certain species of Anopheles mosquitoes—and only female mosquitoes among these mosquito species—can transmit malaria.

Malaria is caused by a single-celled parasite called Plasmodium. Anopheles female mosquitoes contract this parasite from the infected person when the bite gets the blood needed for brooding. In mosquitoes, these parasites begin to multiply. When the mosquito bites again, the parasites contained in the salivary glands enter the blood of the person who was bitten.

Plasmodium reproduces rapidly in the liver and subsequently in the red blood cells of infected people. One person has malaria symptoms for the first time one to two weeks after infection: it is usually fever, headache, chills and vomiting. If not treated promptly with effective drugs, malaria can cause death by infecting and destroying red blood cells and blocking the blood vessels that send blood to the brain or other vital organs.


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