According to health officials, as of early September in the United States, West Nile virus cases are about 40% higher than normal, with over 770 reported cases, including roughly 490 severe cases, versus around 550 in an average year by this time.
Colorado is especially hard hit, with mosquito infection rates far above the usual. Health officials are warning people to use insect repellent, wear protective clothing, and take precautions outdoors.
Indeed, the West Nile virus has seen a rise in severity lately, with several deaths being reported across the US and in Europe. In this gallery, you'll find detailed information on what the virus is, how it is transmitted, the short- and long-term effects, and so much more.
Curious about how to protect yourself from the West Nile virus? Click through now.