Japan on track to log highest number of measles cases since COVID-19 pandemic

Japan faces its largest measles outbreak since the pandemic, with half of all cases striking young adults and adolescents, prompting urgent calls for vaccination. | Contesto: cronaca

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• Japan on track to log highest number of measles cases since COVID-19 pandemic

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Japan is on course to record its highest number of measles infections since the COVID-19 pandemic began, according to public health data. The concerning trend, emerging in the first months of the year, shows a significant concentration of cases among a specific demographic, raising alarms among medical professionals nationwide. Approximately half of all confirmed patients are between the ages of 10 and 29, a statistic that has upended traditional perceptions of the highly contagious viral illness. This age group's vulnerability highlights a potential gap in population immunity, shifting the focus of the outbreak away from very young children, who are typically most at risk. The pattern suggests a cohort that may have missed routine vaccinations or whose immunity from earlier childhood shots has waned over time. The Japan Pediatric Society has issued a direct and urgent appeal for people to get vaccinated. The call to action underscores the critical role of the measles, mumps, and rubella (MMR) vaccine in stemming the virus's spread. "The most effective measure against measles is vaccination," a representative from the society emphasized, pointing to the vaccine's proven safety and high efficacy in preventing infection and severe complications. Public health clinics across the country are now prioritizing outreach to teenagers and young adults. The resurgence of measles carries significant public health implications. Before the widespread introduction of the vaccine, measles was a leading cause of death among young children globally. The disease is known for its severe complications, including pneumonia, encephalitis, and permanent hearing loss. Its re-emergence in a developed nation with a previously strong vaccination record like Japan serves as a stark warning. It demonstrates how quickly herd immunity can erode, allowing the virus to find footholds in under-protected communities. Health officials are tracing the origins of the outbreak, investigating both domestic chains of transmission and possible importations from abroad. The current caseload, while the highest in the post-pandemic period, remains below historical peaks from prior decades. However, the...

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Categoria: cronaca