travel medicine – vaccination

Chikungunya Vaccine Shows Promise in Adults

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TOPLINE: The chikungunya virus virus-like particle (CHIKV VLP) vaccine achieved 100% seroconversion in adults who had previously received alphavirus vaccines and alphavirus vaccine–naive control individuals, with the previous recipients showing a faster immune response. Moreover, both groups had similar safety profiles. METHODOLOGY: Researchers conducted an open-label, phase 2, randomized controlled trial at two clinical sites … Read more

Polio Virus Detected in Europe: Cause for Concern?

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Vaccine-derived poliovirus type 2 was detected in wastewater systems between September and December 2024 in five European countries: Spain, Poland, Germany, the United Kingdom, and Finland, potentially putting undervaccinated people at risk, according to a Eurosurveillance report. Analyses have revealed wide genetic variation among the samples between and within countries, and even within the same … Read more