Notícia

Gale (EUA)

Cases of chikungunya and zika fall in Brazil, but most risk clusters exhibit an upward trend. (8 notícias)

Publicado em 29 de janeiro de 2024

2024 JAN 29 (VerticalNews) -- By a News Reporter-Staff News Editor at Global Warming Focus -- Analysis of occurrence and co-occurrence patterns shows the highest-risk clusters of chikungunya and zika in Brazil spreading from the Northeast to the Center-West and coastal areas of Sao Paulo state and Rio de Janeiro state in the Southeast between 2018 and 2021, and increasing again in the Northeast between 2019 and 2021.

In Brazil overall, spatial variations in the temporal trends for chikungunya and zika decreased 13% and 40% respectively, but 85% and 57% of the clusters in question displayed a rise in numbers of cases.

These findings are from an article published in Scientific Reports by researchers at the University of Sao Paulo's School of Public Health (FSP-USP) and Sao Paulo state's Center for Epidemiological Surveillance (CVE) who analyzed spatial-temporal patterns of occurrence and co-occurrence of the two arboviral diseases in all Brazilian municipalities as well as the environmental and socio-economic factors associated with them.

Considered neglected tropical diseases by the Pan American Health Organization (PAHO/WHO), chikungunya and zika are arboviral diseases caused by viruses of the families Togaviridae and Flaviviridae respectively, and transmitted by mosquitoes of the genus...