"This is grassroots, participatory epidemiology," says HealthMap co-founder Clark Freifeld, a PhD student at the MIT Media Lab and research software developer at CHIP. "In releasing this app we aim to empower citizens in the cause of public health, not only by providing ready access to real-time information, but also by encouraging them to contribute their own knowledge, expertise, and observations. In enabling participation in surveillance, we also expect to increase global coverage and identify outbreaks earlier."

HealthMap was founded in 2006 and mines the Internet - searching disparate data sources such as news reports, curated personal accounts, official alerts, blogs and chat rooms - to track and map infectious disease outbreaks. While the data have been shown to provide early information on new outbreaks, users are encouraged to interpret the data appropriately as it is drawn from both official and unofficial sources.

The HealthMap Web site (www.healthmap) averages 10,000 unique visits a day, including regular users from the World Health Organization, the CDC, and the European Centre for Disease Prevention and Control. During the peak of H1N1 swine flu this spring, visits to the site rose substantially, with as many as 150,000 visitors coming to the Web site to search for information.

Outbreaks Near Me was developed with support from Google and is available at no cost for download in the iTunes App Store. For more information on Outbreaks Near Me, visit: healthmap/iphone.php.

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