『Flu Season 2025 Surges: CDC Warns of H3N2 Variant, Measles Outbreak, and Salmonella Risk Across United States』のカバーアート

Flu Season 2025 Surges: CDC Warns of H3N2 Variant, Measles Outbreak, and Salmonella Risk Across United States

Flu Season 2025 Surges: CDC Warns of H3N2 Variant, Measles Outbreak, and Salmonella Risk Across United States

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 Listeners, as of late December 2025, the Centers for Disease Control and Prevention reports a sharp rise in flu cases across the United States, driven by holiday travel and gatherings. The CDC estimates at least 4.6 million flu illnesses, 49,000 hospitalizations, and 1,900 deaths so far this season, with numbers expected to climb higher. Many cases link to a new H3N2 variant called subclade K, making up 89% of analyzed samples since late September, according to CDC data cited by ABC News and HealthandMe.

This strain, sometimes dubbed super flu, has fueled hospital surges, with New York State reporting a record 71,123 cases in the week ending December 20—the highest weekly total since reporting began in 2004—per the New York State Department of Health. Hospitalizations there jumped 63% that week to 3,666. CDC data shows a 14.3% rise in national hospitalization rates in early December, as noted by EvriMagaci, with emergency rooms in places like Manhattan and New York City overwhelmed, per The New York Times syndromic surveillance.

Three pediatric flu deaths are confirmed this season, per ABC News, following 288 last year where 90% of victims were unvaccinated, according to a CDC study. Experts like Dr. Darien Sutton of ABC News emphasize it's not more severe than typical flu but widespread, urging vaccination for everyone 6 months and older. While vaccine effectiveness against subclade K is lower at 32-39% in adults, it offers cross-protection, reducing severe outcomes, say specialists from Stony Brook Medicine and Northeastern University's Neil Maniar. The CDC recommends antivirals like Tamiflu within 48 hours of symptoms.

Beyond flu, the CDC has linked a Salmonella outbreak in Florida and 21 other states to raw oysters, sickening at least three in Florida. Seek medical help for high fever, prolonged diarrhea, bloody stools, or dehydration, per CDC guidance.

Measles cases have topped 2,000 in 2025, with 50 outbreaks and three deaths, CIDRAP reports from CDC data. Nearly all patients—93%—were unvaccinated or status unknown, with 11% hospitalized. Airport exposure alerts are active in New Jersey, Massachusetts, and Colorado due to infected travelers. State officials in places like Uxbridge, Massachusetts, warn of potential exposures at multiple sites.

In DuPage County, Illinois, week 51 surveillance from the DuPage County Health Department shows rising influenza ICU admissions at 26 season-to-date, plus COVID-19 and RSV cases, with five respiratory outbreaks in facilities. Baltimore City Health Commissioner Michelle Taylor declared a Code Blue Extreme Cold Alert for December 30 due to dangerous wind chills, advising protection for vulnerable residents.

Stay vigilant, listeners: vaccinate, wash hands, mask in crowds, stay home when sick, and hydrate if ill. Early action saves lives.

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