West Nile Virus Forecasting Challenge 2022

Announcing the 2022 CDC West Nile virus (WNV) Forecasting Challenge is open for participation. This is an open forecasting challenge to predict the total number of WNV neuroinvasive disease cases in U.S. counties during the 2022 calendar year.

Email for more information and to register a modeling team.


  • Project announcement and historical data release: February 2022.
  • Initial forecast due: April 30, 2022.
  • Additional forecasts due (optional): May 31, June 30, and July 31, 2022.


Background and more details – download pdf file here:

West Nile 2022 forecast challenge – (272 KB)