Seroprevalence, spatial dispersion and factors associated with flavivirus and chikungunha infection in a risk area: a population-based seroprevalence study in Brazil.
Francisca Kalline de Almeida BarretoCarlos Henrique AlencarFernanda Montenegro Carvalho de AraújoRhaquel de Morais Alves Barbosa OliveiraJohn Washington CavalcanteDaniele Rocha Queiroz LemosLuís Arthur Brasil Gadelha FariasIsac Lucca Frota BorizLeticia Queiroz MedeirosMarcelo Nunes Pereira MeloFábio MiyajimaAndré Machado de SiqueiraAndré Ricardo Ribas FreitasLuciano Pamplona de Góes CavalcantiPublished in: BMC infectious diseases (2020)
Four years after the introduction of CHIKV, where DENV has been in circulation for over 30 years, 1/4 of the population has already been exposed, showing the extent of the epidemic. The measured prevalence was much higher than that reported by local epidemiological surveillance.
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