RIO Takes Extra Caution for Carnival

RIO’s 70,000-seat samba stadium, Sambadrome, has been the site of weekly fumigation as city officials try to combat the threat of Dengue fever and chikungunya and Zika viruses before this year’s Carnival. The Aedes aegypti mosquito is the culprit behind these illnesses–some linked to birth defects. Read on to find out how the illnesses are spreading and what residents and visitors can do to protect themselves.