Measles outbreak in a unique sociocultural context: epidemiological investigation and control measures in Northern Brazil, 2025
DOI:
https://doi.org/10.1590/S1678-9946202668065Palabras clave:
Disease outbreaks, Measles, Vaccine hesitancy, Public health surveillanceResumen
After the recertification of measles elimination in Brazil, outbreaks associated with imported cases may occur in pockets of susceptible individuals, including communities with low vaccination coverage. This study describes an outbreak investigation conducted in 2025 in Campos Lindos, Tocantins State, Brazil. In total, 25 cases were confirmed, mostly among unvaccinated Old Believers (a traditional community of Russian origin) following viral introduction linked to international travel, with transmission occurring predominantly within the community. Outbreak response measures, including ring vaccination and active case finding, interrupted transmission after 12 weeks with no new cases. The rapid response was effective and reinforces the importance of identifying susceptibility pockets in the population to prevent measles reintroduction.
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Derechos de autor 2026 Rebeca Porto Rosa, Rita de Cássia Ferreira Lins, Marcelo Yoshito Wada, Tiara Bruna Teixeira Teodosio, Ana Catarina de Melo Araújo, Amanda Campos Feitosa, Cintia Paula Vieira Carrero, Cinthya Resplandes, Corinto Gomes dos Santos Júnior, Danielle Menezes de Brito Mota, Elena de Carvalho Cremm Prendergast, Eliana Ribeiro de Oliveira, Gisele Silva Carvalho Luz, Josafá do Nascimento Cavalcante Filho, Lucimeire Neris Sevilha da Silva Campos, Pedro Pereira da Silva Neto, Marli Jerônimo da Silva Rodrigues, Greice Madeleine Ikeda Carmo, Eder Gatti Fernandes

Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial 4.0.