INDIA, Aug. 23 -- As with most mosquito-borne illnesses, prime time for West Nile virus seems to be summer months-often starting in June and extending to the fall. And since it first arrived in the United States 20 years ago, West Nile virus has been infecting people across the country.

But, what exactly is it-other than yet another scary-sounding disease that can be transmitted through a mosquito bite? Here's everything you need to know about West Nile virus during mosquito season, including it's signs, symptoms, and treatments-and how to avoid it altogether.

What is West Nile virus-and what causes it? West Nile virus is an infectious disease most commonly spread through mosquito bites. But humans are actually not a mosquito's "preferr...