Yellow fever remains a major public health threat in the Americas. Although vaccination coverage has improved in endemic areas, sporadic cases and outbreaks continue to occur. Since epidemiological week (EW) 1 to EW 9 of 2017, Brazil, Colombia, Ecuador, Peru, the Plurinational State of Bolivia, and Suriname have reported suspected and confirmed yellow fever cases. In Brazil, an outbreak is ongoing since December 2016, and to 13 March of 2017, there were 1,538 cases of yellow fever reported (396 confirmed, 184 discarded, and 958 suspected cases remain under investigation), including 255 deaths (134 confirmed, 9 discarded, and 112 under investigation). The case fatality rate (CFR) is 34% among confirmed cases and 12% among suspected cases.
- Yellow fever
- Yellow Fever in the Americas for the General Public 2014 (in PDF)
- PAHO/WHO Epidemiological Alerts and Updates
- PAHO/WHO Scientific and Technical Material
- PAHO/WHO Communication Materials
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