Yellow Fever: Epidemiological alerts and updates

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2019

• 6 March 2019: Yellow Fever - Epidemiological Update
  

  

  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
  

  

  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
  

  

  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
  

  

  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
  

  Between 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
  

  Between 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

• 13 December 2017: Yellow Fever – Epidemiological Update
  

  Between 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.

• 27 October 2017: Yellow Fever – Epidemiological Update
  

  Between epidemiological week (EW) 1 of 2016 and EW 43 of 2017, Brazil, Colombia, Ecuador, French Guiana, Peru, the Plurinational State of Bolivia, and Suriname have reported suspected and confirmed yellow fever cases.

• 2 August 2017: Yellow Fever – Epidemiological Update
  

  From epidemiological week (EW) 1 of 2016 to EW 30 of 2017, Brazil, the Plurinational State of Bolivia, Colombia, Ecuador, Peru, and Suriname have reported suspected and confirmed yellow fever cases.

• 10 July 2017: Yellow Fever – Epidemiological Update
  

  From epidemiological week (EW) 1 to EW 26 of 2017, Brazil, Colombia, Ecuador, Peru, the Plurinational State of Bolivia, and Suriname have reported suspected and confirmed yellow fever cases.

• 24 May 2017: Yellow Fever – Epidemiological Update
  

  Since epidemiological week (EW) 1 to EW 19 of 2017, Brazil, Colombia, Ecuador, Peru, the Plurinational State of Bolivia, and Suriname have reported suspected and confirmed yellow fever cases.

• 2 May 2017: Yellow Fever – Epidemiological Update
  

  Since epidemiological week (EW) 1 to EW 17 of 2017, Brazil, Colombia, Ecuador, Peru, the Plurinational State of Bolivia, and Suriname have reported suspected and confirmed yellow fever cases.

• 25 April 2017: Yellow Fever – Epidemiological Update
  

  Since epidemiological week (EW) 1 to EW 16 of 2017, Brazil, Colombia, Ecuador, Peru, the Plurinational State of Bolivia, and Suriname have reported suspected and confirmed yellow fever cases.

• 17 April 2017: Yellow Fever – Epidemiological Update
  

  Since epidemiological week (EW) 1 to EW 15 of 2017, Brazil, Colombia, Ecuador, Peru, the Plurinational State of Bolivia, and Suriname have reported suspected and confirmed yellow fever cases.

• 10 April 2017: Yellow Fever – Epidemiological Update
  

  Since epidemiological week (EW) 1 to EW 14 of 2017, Brazil, Colombia, Ecuador, Peru, the Plurinational State of Bolivia, and Suriname have reported suspected and confirmed yellow fever cases.

• 3 April 2017: Yellow Fever – Epidemiological Update
  

  Since epidemiological week (EW) 1 to EW 13 of 2017, Brazil, Colombia, Ecuador, Peru, the Plurinational State of Bolivia, and Suriname have reported suspected and confirmed yellow fever cases.

• 23 March 2017: Yellow Fever – Epidemiological Update
  

  Since epidemiological week (EW) 1 to EW 11 of 2017, Brazil, Colombia, Ecuador, Peru, the Plurinational State of Bolivia, and Suriname have reported suspected and confirmed yellow fever cases.

• 16 March 2017: Yellow Fever – Epidemiological Update
  

  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.

• 9 March 2017: Yellow Fever – Epidemiological Update
  

  Since epidemiological week (EW) 1 to EW 8 of 2017, Brazil, Colombia, Peru, and the Plurinational State of Bolivia, have reported suspected and confirmed yellow fever cases.

• 2 March 2017: Yellow Fever – Epidemiological Update
  

  Since epidemiological week (EW) 1 to EW 7 of 2017, Brazil, Colombia, Peru, and the Plurinational State of Bolivia, have reported suspected and confirmed yellow fever cases.

• 23 February 2017: Yellow Fever – Epidemiological Update
  

  Since epidemiological week (EW) 1 to EW 6 of 2017, Brazil, Colombia, Peru, and the Plurinational State of Bolivia, have reported suspected and confirmed yellow fever cases.

• 16 February 2017: Yellow Fever – Epidemiological Update
  

  Since epidemiological week (EW) 1 to EW 5 of 2017, Brazil, Colombia, Peru, and the Plurinational State of Bolivia, have reported yellow fever cases. Colombia and Peru have reported probable cases, one and three respectively; the Plurinational State of Bolivia reported a case under investigation while Brazil has reported confirmed and suspected cases under investigation.

• 9 February 2017: Yellow Fever – Epidemiological Update
  

  In 2017, as of 8 February, yellow fever cases have been confirmed in Brazil, whereas Colombia and Peru have only reported probable cases, one and three respectively.

• 2 February 2017: Yellow Fever – Epidemiological Update
  

  In 2017, as of 2 February yellow fever cases have been confirmed in Brazil, whereas Colombia and Peru have only reported probable cases.

• 26 January 2017: Yellow Fever – Epidemiological Update
  

  In 2016, Brazil, Colombia, and Peru reported confirmed cases of yellow fever. In 2017, Brazil reported suspected and confirmed cases of yellow fever, while Peru and Colombia reported probable cases.

• 18 January 2017: Yellow Fever – Epidemiological Update
  

  In 2016, Brazil, Colombia, and Peru reported confirmed cases of yellow fever. In 2017, Brazil reported the occurrence of an outbreak in the state of Minas Gerais and epizootics in the neighboring state of Espírito Santo.

• 9 January 2017: Yellow Fever – Epidemiological Alert
  

  In 2016, Brazil, Colombia, and Peru reported confirmed cases of yellow fever. 

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

• 31 March 2009: Yellow Fever – situation in the Americas – Update
  

  This update describes the status of the yellow fever outbreaks that have taken place this year in Argentina, Brasil, Colombia, Paraguay, Peru, Trinidad and Tobago, and Venezuela, as well as the response to them and recommendations to be followed to control them.

• 10 February 2009: Yellow Fever – situation in the Americas – Update
  

  This update report focuses on the yellow fever situation in South America and the Caribbean and on current measures being taken for surveillance, response, and disease and vector control, as well as vaccination for people at risk.
• 30 January 2009: Yellow Fever – situation in the Americas – Update
• January 2009: Circulation of Jungle Yellow Fever Virus – increase in the Americas

2008

• Yellow Fever in Argentina - Vol. 5, No. 11 (31 March 2008)
  

  As of 26 March 2008, the Ministry of Health (Ministerio de Salud de la Nación / MSAL) of Argentina has confirmed 5 cases of jungle yellow fever (JYF) in the country, including 1 death.

• Statement by PAHO/WHO Investigation of Serious Adverse Events in Peru - Vol. 5, No.10.(27 March 2008)
  

  This PAHO/WHO statement provides results of the investigation of serious adverse events that occurred in October 2007 in Peru following administration of the yellow fever vaccine (substrain 17DD) manufactured by Bio-Manguinhos, Brazil.

• Yellow Fever: Update on Paraguay and Argentina - Vol. 5, No. 7 (13 March 2008)
  

  As of today, a total of 24 confirmed cases of yellow fever (YF) have been reported by the country's Ministry of Public Health and Social Welfare ((Ministerio de Salud Pública y Bienestar Social / MSPBS).

• Yellow Fever in Paraguay: Mobilization Continues - Vol. 5, No. 6 (25 February 2008)
  

  The Ministry of Health and Social Welfare ((Ministerio de Salud Pública y Bienestar Social / MSPBS) of Paraguay has confirmed 16 cases of yellow fever (YF), including 3 deaths.

• Yellow Fever in Paraguay - Vol. 5, No. 5 (20 February 2008)
  

  The Ministry of Health ((Ministerio de Salud Pública y Bienestar Social / MSPBS)) of Paraguay today confirmed 7 cases of jungle yellow fever from San Pedro Department.

• Jungle Yellow Fever (JYF) in Brazil, Paraguay, Argentina - Vol. 5, No. 4 (11 February 2008)
  

  In 2007 and the beginning of 2008, Brazil reported an intense and extensive epizootic of Jungle Yellow Fever in an area encompassing 6 states (Goiás, the Federal District, Mato Grosso do Sul, Minas Gerais, Tocantins, and São Paulo).

• Jungle Yellow Fever in Brazil: Travel Recommendations - Vol. 5, No. 3 (18 January 2008)
  

  The Ministry of Health (Ministério da Saúde / MS) of Brazil has confirmed 10 cases of human jungle yellow fever (JYF) among the 30 suspected cases associated with the current epizootic among monkeys in the Central-Western part of the the country.

• Yellow Fever in Brazil - Vol. 5, No. 2 (14 January 2008)
  

  Since April 2007, the National Yellow Fever Alert System in Brazil has registered an increase of epizootics (animal epidemics) in monkeys in nine states considered at risk for the yellow fever (YF) virus, including Goiás State,

2004

• Jungle Yellow Fever (JYF) in the State of Monagas, Venezuela - Vol. 2, No. 26 (6 October 2004)
  

  On 5 October 2004, the Ministry of Health and Social Development (MSDS) of Venezuela reported to PAHO three new cases of Jungle Yellow Fever, with two deaths.

• Current Situation of Jungle Yellow Fever in the Americas: Peru and Bolivia - Vol.2, No.21 (24 June 2004)
  

  Up to 23 June 2004, the Ministries of Health of Colombia, Peru, Brazil and Bolivia reported to the Pan AmericOrganization (PAHO) the occurrence of 86 confirmed cases of Jungle Yellow Fever (JYF), with 41 death

• Update on Yellow Fever in Colombia - Vol. 2, No. 10 (11 March 2004)
  

  Following the two epidemic peaks occurring on the Colombian-Venezuelan border in 2003 during January and July-which affected the states of Zulia, Norte de Santander and César-authorities began to detect in December 2003...

• Jungle Yellow Fever (JYF) Outbreak in Colombia - Vol. 2, No. 3 (22 January 2004)
  

  During 2003, Colombia reported to PAHO 106 1 cases of Jungle Yellow Fever (JYF), all of which occurred in the Departments of Caquetá (1 case), Casanare (2 cases), Cesar (6), Guaviare (1), Meta (2), Guajira (2) y Norte de Santander (92).

2003

• Update on Yellow Fever in the Americas - Vol. 1, No. 24 (18 December 2003)
  

  For 2003 to 6 December 2003 (Epidemiological Week/EW 49), 226 cases of jungle yellow fever (JYF) were reported to the Pan American Health Organization (PAHO), with 99 deaths.

• Update on Yellow Fever in the Americas - Vol. 1, No. 19 (12 November 2003)
  

  From 9 October to 1 November 2003, 12 new laboratory-confirmed cases were reported to the Pan American Health Organization (PAHO). The total number of cumulative cases for this year is 221, with 99 deaths.

• Update on Yellow Fever in Latin America - Vol. 1, No. 14 (9 October 2003)
  

  Since 10 September 2003 to date, 25 new laboratory-confirmed cases have been reported to the Pan American Health Organization (PAHO).

• Yellow Fever Situation in the Americas - Vol. 1, No. 10 (12 September 2003)
  

  As of 10 September 2003, a total of 184 cases of confirmed jungle yellow fever have been reported to the Pan American Health Organization, with 85 deaths.

• Jungle Yellow Fever (JYF) in the Americas - Vol. 1, No. 8 (28 August 2003)
  

  Up to August 26, a total of 181 confirmed Jungle Yellow Fever cases have been reported to the Pan American Health Organization (PAHO), with 75 deaths.

• Yellow Fever (YF) in Peru - Vol. 1, No. 6 (14 August 2003)
  

  In Epidemiological Week (EW) 30, a death was reported from a probable case of yellow fever, in a 22-year-old man from the town of Pavo, Province of Bella Vista, Department of San Martín.

• Situation of Jungle Yellow Fever in the Region of the Americas - Vol. 1, No. 5 (8 August 2003)
  

   Up to 6 August 2003, a total of 160 confirmed cases of jungle yellow fever have been reported to the Pan American Health Organization, with 70 deaths.

• Jungle Yellow Fever (JYF) - Vol. 1, No. 2 (17 July 2003)
  

  Up to Epidemiological Week (EW) 29, a total of 109 cases of Jungle Yellow Fever (JYF), with 50 deaths, have been reported to PAHO by Bolivia (4), Brazil (62), Colombia (33), Peru (7) and Venezuela (3).

• Update on the Outbreak of Jungle Yellow Fever in Colombia - Vol. 1, No. 1 (10 July 2003)
  

   Up to epidemiological week (EW) 28 of 2003, Colombia reported to PAHO 27 cases of jungle yellow fever (JYF), with a case fatality rate of 63%.

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