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dc.contributor.authorPossas, Cristinapt_BR
dc.contributor.authorOliveira, Ricardo Lourenço dept_BR
dc.contributor.authorTauil, Pedro Luizpt_BR
dc.contributor.authorPinheiro, Francisco de Paulapt_BR
dc.contributor.authorPissinatti, Alcidespt_BR
dc.contributor.authorCunha, Rivaldo Venâncio dapt_BR
dc.contributor.authorFreire, Marcospt_BR
dc.contributor.authorMartins, Reinaldo Menezespt_BR
dc.contributor.authorHomma, Akirapt_BR
dc.date.accessioned2019-05-28T15:05:36Z-
dc.date.available2019-05-28T15:05:36Z-
dc.date.issued2018pt_BR
dc.identifier.citationPOSSAS, Cristina et al. Yellow fever outbreak in Brazil: the puzzle of rapid viral spread and challenges for immunisation. Memórias do Instuito Oswaldo Cruz, Rio de Janeiro, v. 113, n. 10, e180278, 2018. DOI: http://dx.doi.org/10.1590/0074-02760180278. Disponível em: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762018001000200&lng=en&nrm=iso. Acesso em: 30 maio 2019. Epub Sep 03, 2018.pt_BR
dc.identifier.urihttp://repositorio.unb.br/handle/10482/34664-
dc.description.abstractWe discuss the complex eco-social factors involved in the puzzle of the unexpected rapid viral spread in the ongoing Brazilian yellow fever (YF) outbreak, which has increased the reurbanisation risk of a disease without urban cases in Brazil since 1942. Indeed, this rapid spatial viral dissemination to the Southeast and South regions, now circulating in the Atlantic Forest fragments close to peri-urban areas of the main Brazilian megalopolises (São Paulo and Rio de Janeiro) has led to an exponential increase in the number of yellow fever cases. In less than 18 months, 1,833 confirmed cases and 578 deaths were recorded most of them reported in the Southeast region (99,9%). Large epizooties in monkeys and other non-human primates (NHPs) were communicated in the country with 732 YF virus (YFV) laboratory confirmed events only in the 2017/2018 monitoring period. We also discuss the peculiarities and similarities of the current outbreak when compared with previous great epidemics, examining several hypotheses to explain the recent unexpected acceleration of epizootic waves in the sylvatic cycle of the YFV together with the role of human, NHPs and mosquito mobility with respect to viral spread. We conclude that the most feasible hypothesis to explain this rapidity would be related to human behavior combined with ecological changes that promoted a significant increase in mosquito and NHP densities and their contacts with humans. We emphasize the urgent need for an adequate response to this outbreak such as extending immunisation coverage to the whole Brazilian population and developing novel strategies for immunisation of NHPs confined in selected reserve areas and zoos. Finally, we stress the urgent need to improve the quality of response in order to prevent future outbreaks and a catastrophic reurbanisation of the disease in Brazil and other South American countries. Continuous monitoring of YFV receptivity and vulnerability conditions with effective control of the urban vector Aedes aegypti and significant investments in YF vaccine production capacity and research and development for reduction of adverse effects are of the highest priority.pt_BR
dc.language.isoenpt_BR
dc.publisherInstituto Oswaldo Cruz, Ministério da Saúdept_BR
dc.rightsAcesso Abertopt_BR
dc.titleYellow fever outbreak in Brazil : the puzzle of rapid viral spread and challenges for immunisationpt_BR
dc.typeArtigopt_BR
dc.subject.keywordFebre amarelapt_BR
dc.subject.keywordFebre amarela - vacinapt_BR
dc.subject.keywordImunizaçãopt_BR
dc.subject.keywordAedes aegyptipt_BR
dc.rights.licenseMemórias do Instituto Oswaldo Cruz - (CC BY) - This is an open-access article distributed under the terms of the Creative Commons Attribution License. Fonte: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762018001000200&lng=en&tlng=en. Acesso em: 30 maio 2019.-
dc.identifier.doihttps://dx.doi.org/10.1590/0074-02760180278pt_BR
dc.description.unidadeFaculdade de Medicina (FMD)-
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