Title: #Epidemiological #update: #Yellowfever #outbreak in #Brazil as of 05 May 2017.
Subject: Sylvatic Yellow Fever Outbreak in Brazil, multi-state, current situation.
Source: European Centre for Disease Prevention and Control (ECDC), full page: (LINK).
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Epidemiological update: Yellow fever outbreak in Brazil as of 05 May 2017
Yellow fever is a mosquito-borne viral infection present in some tropical areas of Africa and South America. On 6 January 2017, Brazil reported an outbreak of yellow fever that started in December 2016 and that has been ongoing since then. Bolivia, Colombia, Ecuador, Peru and Suriname have also reported cases of yellow fever in 2017.
- Between 20 and 27 April 2017, Brazil has reported 93 additional cases of yellow fever (59 suspected and 34 confirmed).
- The additional confirmed cases occurred in:
- Espírito Santo (18),
- Minas Gerais (8),
- São Paulo (7) and
- Rio de Janeiro (1).
- Between 6 January and 27 April 2017, Brazil has reported 1 542 cases of yellow fever (827 suspected and 715 confirmed), including 279 deaths (39 suspected and 240 confirmed).
- The case-fatality rate is 18.1% overall and 33.6% among confirmed cases.
- States reporting suspected and confirmed autochthonous cases:
- Minas Gerais has reported 707 cases (228 suspected and 479 confirmed), including 182 deaths (17 suspected and 165 confirmed).
- Espírito Santo has reported 541 cases (338 suspected and 203 confirmed), including 74 deaths (13 suspected and 61 confirmed).
- São Paulo has reported 152 cases (135 suspected and 17 confirmed), including nine deaths (two suspected and seven confirmed).
- Rio de Janeiro has reported 35 cases (24 suspected and 11 confirmed), including five deaths (two suspected and three confirmed).
- Pará has reported 17 cases (13 suspected and four confirmed), including four confirmed deaths.
- Tocantins has reported four cases (three suspected and one confirmed).
- Fourteen states have reported 86 suspected cases:
- Goiás (25, including 2 fatal),
- Paraná (16, including 1 fatal),
- Bahia (10),
- Rio Grande do Sul (6),
- Rondônia (6),
- Santa Catarina (5),
- Distrito Federal (4, including 2 fatal),
- Mato Grosso (3),
- Amapá (2),
- Maranhão (2),
- Mato Grosso do Sul (2),
- Piauí (2),
- Amazonas (1),
- Ceará (1) and
- Paraíba (1).
- The ongoing outbreak should be carefully monitored, as the establishment of an urban cycle of yellow fever would have the potential to quickly affect a large number of people.
- EU/EEA citizens who travel to, or live in, areas where there is evidence of yellow fever virus transmission should check their vaccination status and obtain medical advice about being vaccinated against yellow fever.
- In Europe, Aedes aegypti, the primary vector of yellow fever in urban settings, is present in Madeira.
- Recent studies have shown that Aedes albopictus can potentially transmit the yellow fever virus.
- However, the risk of the virus being introduced into local competent vector populations in the EU through viraemic travellers from Brazil is considered to be very low, as the current weather conditions in Europe are not favourable for vector activity.
- ECDC closely monitors this event in collaboration with the World Health Organization.
- ECDC published its updated rapid risk assessment on 14 April 2017.
- See more at: http://ecdc.europa.eu/en/press/news/_layouts/forms/News_DispForm.aspx?ID=1616&List=8db7286c-fe2d-476c-9133-18ff4cb1b568&Source=http%3A%2F%2Fecdc%2Eeuropa%2Eeu%2Fen%2FPages%2Fhome%2Easpx#sthash.DUZmGQLh.dpuf
Keywords: ECDC; Updates; Yellow Fever; Brazil.