West Nile Virus, or WNV, is spread by infected mosquitoes that bite birds and then humans, and can cause feverish illnesses, encephalitis, or meningitis. WNV is a very infamous disease. This virus was first discovered in 1937 in Uganda, East Africa. The patient was thought to have the yellow fever virus, but the nervous system was not the same even though he only had a fever. Mosquitoes carry the most viruses in the fall, which is why the rate of the disease sometimes rises and falls. Mosquitoes are the main reason for West Nile virus, but there are other ways it is caused, such as blood transfusions, organ transplants, and passing from mother to baby during pregnancy, childbirth, and breastfeeding. It is not only contagious to humans, anything non-human (animals) can also be infected. In the early 1950s and 1960s, numerous outbreaks occurred in the Mediterranean basin. The first epidemic in Israel occurred in 1951 in a city around Haifa. With a total of 123 cases and 0 deaths. It was mainly children who were infected, the main symptoms were fever, headache, myalgia, anus...