We've found that certain search terms are good indicators of flu activity. Google Flu Trends uses aggregated Google search data to estimate flu activity. Learn more »
National
2010
Past years ▼
Intense
High
Moderate
Low
Minimal
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Estimates were made using a model that proved accurate when compared to historic official flu activity data. Data current through February 8, 2010.
Past years (6)
