Is Google flu trends accurate?

Posted on March 3, 2010 by admin

On Google flu trends, it shows influenza dropping in many states.

But according to the CDC and WHO, they show that influenza is increasing sharply.

Which is right?

Google flu trends- http://www.google.org/flutrends/us/

CDC- http://www.cdc.gov/h1n1flu/updates/us/#iligraph

CDC is more accurate. Google is based on search trends.

People who care enough to search are reaching info saturation, so searches are beginning to slack off.

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