West Nile is carried by mosquitoes. Mosquitoes use bodies of water, such as ponds, to lay their eggs. If you live near a pond, there are going to be a lot of mosquitoes around you, thus making you more susceptible to West Nile.
Russia. It is the largest country in the world. 90% of Russia is in Asia and the rest in Europe.
Answer:i dont know
Explanationin:i still dont know
Its spread mainly because of the pest rats and also fleas