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Yellow Fever: Epidemiological alerts and updates

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2019
  • 6 March 2019: Yellow Fever - Epidemiological Update

    yellow fever-epi-update-new

    In 2019, three countries in the Region of the Americas (Bolivia, Brazil, and Peru) have reported confirmed yellow fever cases occurring between December 2018 and February 2019.

  • 25 January 2019: Yellow Fever - Epidemiological Update

    yellow fever-epi-update-new

    Between January 2017 and December 2018, six countries and territories in the Region of the Americas reported confirmed cases of yellow fever: Bolivia, Brazil, Colombia, Ecuador, French Guiana, and Peru. The number of cases reported during this period in the Region of the Americas exceeded the number reported in several decades.

2018
  • 7 December 2018: Yellow Fever - Epidemiological Update

    yellow fever-epi-update-new

    Between January 2017 and November 2018, six countries and territories of the Region of the Americas reported confirmed cases of yellow fever: Bolivia, Brazil, Colombia, Ecuador, French Guiana, and Peru. The number of human cases and epizootics reported in the Region of the Americas during this period is the highest in decades.

  • 20 March 2018: Yellow Fever – Epidemiological Update

    yellow fever-epi-update-new

    Between January 2016 and 13 March 2018, seven countries and territories of the Region of the Americas reported confirmed cases of yellow fever: the Plurinational State of Bolivia, Brazil, Colombia, Ecuador, French Guiana, Peru, and Suriname. The number of human cases and epizootics collectively reported in this period in the Region of the Americas is the highest observed in decades.

  • 16 February 2018: Yellow Fever – Epidemiological Update

    yellow fever-epi-update-newBetween January 2016 and January 2018, seven countries and territories of the Region of the Americas reported confirmed cases of yellow fever: the Plurinational State of Bolivia, Brazil, Colombia, Ecuador, French Guiana, Peru, and Suriname. The number of human cases and epizootics collectively reported in this period in the Region of the Americas is the highest observed in decades.

  • 12 January 2018: Yellow Fever – Epidemiological Update

    yellow fever-epi-update-newBetween January 2016 and December 2017, seven countries and territories of the Region of the Americas reported confirmed cases of yellow fever: the Plurinational State of Bolivia, Brazil, Colombia, Ecuador, French Guiana, Peru, and Suriname. The number of human cases and epizootics collectively reported in this period in the Region of the Americas is the highest observed in decades. The observed increase is as much related to an ecosystem favorable to the dissemination of the virus as to the unimmunized populations.

2017
2016
  • 14 December 2016: Yellow Fever – Epidemiological Update

    Situation summary in the Americas

    In 2016, up to epidemiological week (EW) 47, three countries reported cases of jungle yellow fever: Brazil, Colombia, and Peru. In addition, since the publication of the Pan American Health Organization / World Health Organization (PAHO/WHO) Yellow Fever Epidemiological Update of 9 November 2016 up to EW 47 of 2016, Brazil confirmed two epizootics in nonhuman primates (NHP) in the state of Sao Paulo, one in the municipality of Severínia and another in Cajobi.

  • 9 November 2016: Yellow Fever – Epidemiological Update

    Situation summary in the Americas

    In 2015, three countries in the Americas confirmed circulation of yellow fever virus: Bolivia reported epizootic and Brazil and Peru reported human cases. In 2016, as of epidemiological week (EW) 44, three countries had reported jungle yellow fever: Brazil, Colombia, and Peru.

  • 14 September 2016: Yellow Fever – Epidemiological Update

    Situation summary in the Americas

    In 2015, three countries in the Americas confirmed circulation of yellow fever virus: Bolivia reported epizootic and Brazil and Peru reported human cases. In 2016, as of epidemiological week (EW) 34, three countries had reported jungle yellow fever: Brazil, Colombia, and Peru. Distribution of cases by epidemiological week (EW) is presented in Figure 1.
  • 26 July 2016: Yellow Fever – Epidemiological Update

    In 2015, three countries in the Americas have confirmed yellow fever virus circulation: Bolivia (epizootic), Brazil, and Peru (human cases).

    In 2016, as of epidemiological week (EW) 28, three countries have reported jungle yellow fever: Brazil, Colombia, and Peru.

  • 6 July 2016: Yellow Fever – Epidemiological Update

    In 2015, three countries in the Americas have confirmed yellow fever virus circulation: Bolivia (epizootic), Brazil, and Peru (human cases). In 2016, as of epidemiological week (EW) 24, three countries have reported jungle yellow fever: Brazil, Colombia, and Peru.

  • 25 May 2016: Yellow Fever – Epidemiological Update

    In light of the circulation of yellow fever in several areas of the Region of the Americas, and considering current yellow fever outbreaks in countries outside of this Region, the Pan American Health Organization / World Health Organization (PAHO/WHO) advises Member States to maintain the capacity to detect and confirm cases of yellow fever, provide updated information, and train health professionals for proper detection and case management, especially in areas at risk for yellow fever circulation. In addition, Member States are encouraged to maintain high vaccination coverage in at risk populations.

  • 22 April 2016: Yellow Fever – Epidemiological Alert

    In light of the circulation of yellow fever in several areas of the Region, and considering current outbreaks in countries outside of this Region, the Pan American Health Organization / World Health Organization (PAHO/WHO) advises Member States to maintain the capacity to detect and confirm cases of yellow fever, provide updated information for health professionals and train them to enable them to properly detect and manage cases, especially in areas at risk for yellow fever circulation. In addition, Member States are encouraged to maintain high vaccination coverage in at risk populations.

2015
  • 31 December 2015: Yellow Fever – Epidemiological Alert

    In light of the circulation of yellow fever in several areas of the Region, and in the context of the ongoing El Niño Southern Oscillation (ENSO) the Pan American Health Organization / World Health Organization (PAHO/WHO) advises Member States to establish and maintain the capacity to detect and confirm cases of yellow fever and keep health professionals up to date to enable them to identify suspected cases and manage cases properly, especially in areas at risk for yellow fever. In addition, Member States are advised to maintain high vaccination coverage in at risk populations.

2009
2008
2004
2003

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