Brazil is on high alert as cases of dengue fever surge before Carnival, with the country responsible for the majority of cases in the Americas. Field hospitals are being set up in various cities to handle the strain on Brazilian health services.
More than 10 million people worldwide have contracted dengue from mosquitos this year. Now experts are worried it might show up at the Olympics.
This episode was produced by Amanda Lewellyn and Peter Balonon-Rosen, edited by Matt Collette, fact-checked by Amina Al-Sadi and Laura Bullard, engineered by Patrick Boyd and Andrea Kristinsdottir, and hosted by Sean Rameswaram.
Transcript at vox.com/today-explained-podcast
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