Scientific studies have shown that the history of West Nile disease began colse to a thousand years ago when the virus emerged distinctively. From there this virus added developed into 2 lineages the first of which appears no only in Africa but also is transmitted all over the world. The second sure lineage, on the other hand, is only prevalent in Africa.
The next major landmark in the history of West Nile disease, was the first discovery of the virus in a human being. This was in 1937 in West Nile, Uganda and the sufferer was an adult woman. From the late 1930s, straight through to the early 1950s instances of Wnv in humans were recorded in Congo, Sudan, Egypt and India. The severe complications of Wnv - meningitis and encephalitis were discovered in 1957 while an epidemic in Israel. Elderly sufferers of the neuroinvasive diseases meningitis and encephalitis were diagnosed with having their conditions brought on by the Wnv. The equine strain of the disease was discovered in the early 60s and was affecting horses in Australia, and parts of Asia and Europe.
Get Rid Mosquitoes
The history of West Nile disease became part of the United States history when instances in the area surrounding New York City began to be discovered in 1999. Since these first afflictions were discovered in the Usa, the West Nile Virus has since been recorded in all parts of the North American continent, affecting birds, horses and of policy human beings. Since these first infections were discovered in 1999, in the subsequent years there has been a very much increased social awareness of Wnv brought about mainly by intense media coverage. Since there is no cure or vaccine for the disease, many thousands of habitancy continue to be infected each year in the Usa, primarily elderly habitancy who have weaker immune systems. Less than 1 in 1000 of those infected suffer death as a effect of West Nile Virus.
Learn About History Of West Nile Disease
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