Stories about: Computational Epidemiology Group

News Note: Norovirus outbreak threatens the Olympics

The HealthMap team at Boston Children's is currently tracking norovirus at the Olympics
The Computational Epidemiology Team at Boston Children’s Hospital tracks online, informal sources for disease outbreak monitoring and real-time surveillance of emerging public health threats through a platform called HealthMap. This is an image of what their surveillance dashboard is currently tracking (Feb. 15, 2018) in South Korea. Visit http://www.healthmap.org/en/ for more.

The 2018 Winter Olympics have brought nearly 3,000 delegates from 206 countries together in PyeongChang, South Korea. But just a week after kicking off on February 8, the games and its attendees are already being interrupted by a fast-spreading norovirus outbreak.

Norovirus is an extremely infectious disease transmitted through food, water or by touching a contaminated surface. Infection causes inflammation of the stomach and intestines, which can lead to symptoms including stomach pains, nausea, vomiting and diarrhea.

In PyeongChang, there have already been 199 confirmed cases of norovirus — many of those sickened have been security guards hired for the games. Due to severe gastrointestinal symptoms, 41 guards have been hospitalized and more than 1,200 were placed in quarantine. 

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Cellphone data reveals Hurricane Maria’s impact on travel in Puerto Rico

Residents evacuate Puerto Rico after Hurricane Maria made landfall
A U.S. Naval Aircrewman leads residents of Puerto Rico to a helicopter for evacuation following the landfall of Hurricane Maria. Photo credit: Sean Galbreath/Wiki Commons

Nearly two months after Hurricane Maria swept through Puerto Rico, the infrastructural damage remains evident — today, FEMA estimates that only 41 percent of the island has had power restored. But the impact on human behavior is just beginning to be understood.

Research collaborators from the Boston Children’s Hospital Computational Epidemiology Group, MIT Media Lab and Google, Inc., have shed light on the particulars of when people chose to move out of the hurricane’s path and how much travel has been hindered since destructive winds and flooding knocked Puerto Rico off the grid.

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