Malaria is a potentially fatal tropical disease that's caused by a parasite known as Plasmodium. It's spread through the bite of an infected female mosquito.
The infected person may have feverish attacks, influenza-like symptoms, tiredness,diarrhoea or a whole range of other symptoms.
Malaria should always be suspected if these symptoms occur within the first year of return from an infected area, and a test should be carried out to exclude the possibility of malaria as soon as possible.
Malaria is one of the leading causes of disease and death in the world. It is estimated that there are 300 to 500 million new cases every year, with 1.5 to 2.7 million deaths worldwide.
Malaria occurs extensively in tropical and subtropical regions.
It used to exist in the UK but fortunately no longer does.
In recent years, about 1,500 people have returned to Britain with malaria that they have contracted abroad - and, of these, an average of 12 die. For this reason it's important to prevent malaria in those travelling to and from the tropical
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