Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
We plot true ILI values (True), two week forecasts obtained using social media features only (SM), ILI historical data (ILI), and combined ILI + SM data (ILISM).
