Malaria is an infectious disease of tropical countries. Mosquitoes spread it. It is manifested by fever along with chills and rigors. Unless it is diagnosed and treated promptly, it can be fatal. A single mosquito bite may be enough to cause the infection.
Symptoms of malaria
Features of malaria include high fever over 38C with chills and sweating. There is intense muscle pain, headache, blurring of vision and dizziness. Some may develop diarrhea and vomiting as well. Symptoms develop within seven days after being bitten or may take between 10 to 15 days to appear.
High-risk areas for malaria
Malaria is found mainly in the tropical countries all around the world. It is seen in large parts of Africa and Asia, Central and South America, Haiti and the Dominican Republic, some Pacific islands, such as Papua New Guinea and some parts of Middle East.
In 2010, according to the World Health Organization, there were 216 million episodes of malaria and 655,000 deaths worldwide. Of these deaths around 91% were seen in the African Region, followed by the South-East Asian Region (6%), and the Eastern Mediterranean Region (3%). About 86% of deaths globally were in children.
Causes of malaria
a type of parasite known as Plasmodium causes Malaria. This is a microscopic parasite that is transmitted by certain species of mosquitoes. Although there are numerous types of Plasmodia parasites, only four cause malaria in humans. These include:
• Plasmodium falciparum
• Plasmodium vivax
• Plasmodium ovale
• Plasmodium malariae
*There is a fifth species causing malaria in humans. It is called Plasmodium knowlesi. It is distributed across South East Asia.
*The Plasmodium parasite is mainly spread by female Anopheles mosquitoes, which are night-biting mosquitos.
Diagnosis and treatment of malaria
Malaria is diagnosed by looking at blood samples. The parasites are visible under the microscope. Once the diagnosis is made, treatment should be begun promptly. Almost... [continua]
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