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Malaria is a serious tropical disease spread by mosquitoes. If malaria is not diagnosed and treated promptly, it can be fatal.
Malaria is caused by a type of parasite known as Plasmodium. There are many different types of Plasmodia parasites, but only five cause malaria in humans. The Plasmodium parasite is mainly spread by female Anopheles mosquitoes, which are night-biting mosquitos. When an infected mosquito bites, it injects the parasites into your body.