Main Website: http://www.google.org/flutrends/
For US: http://www.google.org/flutrends/intl/en_us/
How it works: http://www.google.org/about/flutrends/how.html
Looks like the US is having very bad flu season. The number of people with the flu very high and people are getting it sooner (now) as opposed to later (normally around Jan. or Feb).
Texas is particularly bad.