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We investigated an outbreak of exanthematous illness in Maceió by using molecular surveillance; 76% of samples tested positive for chikungunya virus. Genetic analysis of 23 newly generated genomes identified the East/Central/South African genotype, suggesting that this lineage has persisted since mid-2014 in Brazil and may spread in the Americas and beyond.

Original publication




Journal article


Emerg Infect Dis

Publication Date





1742 - 1744


Brazil, ECSA genotype, East/Central/South African genotype, Maceió, Zika virus, chikungunya virus, dengue virus, genetic epidemiology, vector-borne infections, viruses, Adolescent, Adult, Aged, Aged, 80 and over, Animals, Brazil, Chikungunya Fever, Chikungunya virus, Child, Child, Preschool, Coinfection, Disease Outbreaks, Exanthema, Female, Genotype, Humans, Infant, Male, Middle Aged, Phylogeny, RNA, Viral, Zika Virus, Zika Virus Infection