How is it spread?

Most often, the West Nile Virus (WNV) is spread by the bite of an infected mosquito. In a very small number of cases, WNV has been spread through blood transfusions, organ transplants, breastfeeding, and mother-to-child during pregnancy. WNV is not spread through casual contact (such as touching, or kissing).

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1. What is West Nile Virus?
2. How is it spread?
3. Can it be treated?
4. What is the risk of getting very sick from West Nile Virus?
5. Can animals be infected?