Encephalitis warning in the USA The battle to control mosquito-transmitted encephalitis has made national headlines. Less than 1 in 1000 mosquitoes carry the disease and most people who contact the virus do not develop symptoms. The virus causes an inflammation of the brain and produce headaches, stiff neck, fever and sometimes disorientation. Some patients lapse into a comma. The worst cases result in brain damage or death. (McGrath) Those at risk are small children, older people and …
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