Rapid Epidemic Expansion of Chikungunya Virus East/Central/South African Lineage, Paraguay

Article Infectious Diseases

Short report: Introduction of chikungunya virus ECSA genotype into the Brazilian Midwest and its dispersion through the Americas

Elaine Cristina de Oliveira et al.

Summary: The study analyzed the transmission of chikungunya virus in the midwestern region of Brazil, revealing it as a potential source for virus transmission to Paraguay. Epidemiological data showed a reduction in reported cases from 2018 to 2020, likely due to herd immunity accumulation.

PLOS NEGLECTED TROPICAL DISEASES (2021)

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Article Immunology

Epidemiologic History and Genetic Diversity Origins of Chikungunya and Dengue Viruses, Paraguay

Tiago Graf et al.

Summary: By analyzing 33 virus genomes, researchers in Paraguay identified the circulating genotypes and serotypes of chikungunya and dengue virus, with Brazil as the main source. The evolutionary history inferred from the analyses matched the travel history of the patients, illustrating the value of genomic surveillance in describing the epidemiologic history of arboviruses and guiding future outbreak investigations.

EMERGING INFECTIOUS DISEASES (2021)

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Article Multidisciplinary Sciences