To Aid Mexico, Google Expands Flu Tracking
April 30th, 2009 | New York Times
SAN FRANCISCO — Google has released a new version of its Flu Trends service that is tailored for Mexico in the hope of helping health officials and others track the spread of swine flu in that country. Google Flu Trends, which was first released in the United States, in November, tries to track the incidence of flu based on the ebb and flow of searches for keywords related to influenza. The company called its Flu Trends for Mexico experimental because unlike in the United States, it does not have historical surveillance data to validate that its search data correlates to actual infections.
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