Rio de Janeiro Declares Public Health Epidemic Over Surge in Dengue Fever Cases Rio de Janeiro Declares Public Health Epidemic Over Surge in Dengue Fever Cases Rio’s Key Tourist Season Threatened by Dengue Fever Outbreak RIO DE JANEIRO — In an urgent bid to tackle a surge in dengue fever cases during Rio de Janeiro’s … Continue reading Brazil Faces Surge in Dengue Cases During Key Tourist Season: Public Health Workers Take Action