Author: Kara Sewalk, MPH

Tracking the public health effects of the Rio Olympics: HealthMap

Olympics Brazil Zika Health Map
Athletes around the world are converging on Brazil. What effects will this have on Zika and public health generally? (Nuno Lopes/Pixabay)

This past week, the 2016 Summer Olympic and Paralympic Games began in Rio de Janeiro, Brazil, with more than 11,000 athletes and 500,000 international fans expected to arrive. As a major mass gathering, the Olympic Games are always vulnerable to disease outbreaks. This summer, all eyes in public health are on the concurrently occurring Zika virus and the under-reported H1N1 influenza outbreak in Brazil.

According to the European Centre for Disease Prevention and Control (ECDC), visitors to the 2016 Games are most at risk for gastrointestinal illness from waterborne pathogens and mosquito-borne infections, including dengue, chikungunya and Zika virus. So far in 2016, we have seen an estimated 165,000 cases of Zika virus, 1,345,286 cases of dengue, 137,808 cases of chikungunya and more than 6,500 cases of H1N1 influenza, with an additional 1,233 deaths from H1N1 — all in Brazil alone.

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