Although the number of Zika virus disease (ZVD) cases has declined globally since 2017, new outbreaks continue to be reported throughout the Americas, including in Puerto Rico.
As of early March 18, 2025, over 3,065 Zika cases have been reported in the Region of the Americas this year.
Last year, 42,127 ZIka cases and two related fatalities were confirmed in the Americas, with the highest proportion of cases reported in South America in Argentina, Brazil, Bolivia, and Columbia.
Zika Risks Continue in March 2025
Italy's Mosquito Tracking System Sets New Standard
The spread of invasive mosquito species, such as the tiger mosquito, poses global health risks due to their potential to carry diseases such as chikungunya, dengue, malaria, and Zika.
An innovative use case in Italy connected the operational mosquito monitoring agency with OEMC tools and data to address the expanding health risk posed by climate change.
Increase in Internalizing Behaviors in Teens Observed Over Last 30 Years
Increase in prevalence seen for internalizing behavior, while decreases seen in sexual risk behaviors and substance use