All articles tagged with #influenza
Flu activity in California began in late September, significantly earlier than the typical November start. Health officials urge immediate vaccination as the H3N2 subclade K strain circulates, noting that early onset may catch unvaccinated individuals off guard. While hospitalizations remain low, experts warn that cases could spike in coming weeks if trends continue.
Flu season is starting earlier than usual in the US, with an early surge of H1N1 virus concentrated on the West Coast. Experts note this breaks the typical pattern where flu spreads from the South to the West later in the season. While it is too early to predict the full season's severity, the H1N1 strain is considered potentially more transmissible. Doctors urge immediate vaccination, as the vaccine takes two weeks to become effective and offers protection even if strains are mismatched.
Medical professionals have issued warnings regarding an unusually early surge in influenza cases within a specific region. This development precedes the typical peak season and highlights the need for immediate public health attention and preventive measures.
Influenza activity is starting weeks earlier than usual in the Northern Hemisphere, with the Pacific Northwest leading the surge. H1N1 now accounts for 96% of subtyped US cases, driven by a concerning mutation (G155E) that may evade existing immunity. While national activity remains low, local emergency room visits in Washington have jumped sevenfold compared to last year, prompting experts to advise immediate vaccination rather than waiting for the traditional October window.
Emergency room visits for respiratory illnesses in Washington state have risen significantly in early October, with acute respiratory cases accounting for 11% of ER visits in the week ending September 26, up from 8.2% three weeks prior. Influenza activity is notably high, with King County recording 233 ER visits for flu in the week ending September 19, compared to 31 in the same period last year. COVID-19 is also resurging, with wastewater levels in the Seattle area reported as high or very high as of September 23, and hospital usage rising from late-summer lows. This early uptick is unusual, as flu typically peaks between December and February.
U.S. influenza activity is rising earlier than usual in the 2025-2026 season. CDC data for Week 38 shows 3.4% of respiratory tests are positive, with Influenza A dominating. While national levels remain low, experts warn that the early start and concurrent COVID-19 surge may impact healthcare systems. Vaccination is now recommended.
Hirata Runa, an eight-year-old trainee for the Japanese idol group DIANNA Project, died on September 25, 2026, from myocarditis caused by influenza. She had performed her final concert just five days prior. Her family and agency requested privacy during the mourning period, noting that a third of her life was spent in the entertainment industry.
Hirata Runa, an 8-year-old trainee for the Japanese idol group DIANNA Project, died on September 25, 2026. Her agency confirmed the cause of death was myocarditis resulting from an influenza infection. Runa had performed her final concert just five days prior to her passing.
Flu activity is surging earlier than usual in parts of the western United States, prompting health experts to urge immediate vaccination. While national levels remain low, local spikes in Washington and Seattle have caught hospitals off guard. New vaccine options, including an mRNA shot for adults over 50, are available, but federal guidance has been disrupted by changes to the CDC’s advisory committee, leading independent medical groups to issue their own recommendations.
Hirata Runa, an 8-year-old trainee for the Japanese idol group DIANNA Project, died on September 25, 2026. Her agency confirmed the cause of death was myocarditis resulting from an influenza infection. Runa had performed her final concert just five days prior to her passing.
Influenza cases in Washington state have surged earlier than usual, with emergency room visits rising sharply since late August. Health officials and experts are urging residents to get vaccinated immediately rather than waiting for the traditional October window. This early surge coincides with a peak in national COVID-19 activity and a lack of unified federal vaccine policy, creating a complex landscape for public health decisions.
A new study in the Lancet Infectious Diseases highlights 'long flu,' a condition where influenza symptoms persist for months, affecting organs beyond the lungs, including the brain. This mirrors long COVID and underscores the need for prevention. Last year, 32 million Americans contracted flu, leading to 24,000 deaths. Experts advise getting vaccinated in September or October to reduce risk, as flu season typically peaks in December and January.
As fall arrives, health officials urge immediate flu vaccination to ensure protection before the winter peak. The 2026-27 season features updated trivalent vaccines targeting the H3N2 subclade K and a new mRNA option for adults over 50. While immunity takes two weeks to develop, experts warn that waiting until November may leave individuals vulnerable during the December-February surge.
The annual flu shot is now recognized as a key strategy for healthy aging, with new evidence linking it to a significantly lower risk of Alzheimer's disease in older adults. While pediatric experts warn of high flu risks for children this season, geriatric specialists emphasize that vaccination protects both the body and the brain as immunity weakens with age.
A CDC-led study at four US airports during 2023–2024 detected SARS-CoV-2 in 98.3% of 463 air samples and influenza A in 17.2% using in-air samplers near immigration and arrivals. Genetic sequencing showed circulating lineages similar to wastewater, and multiple other respiratory viruses were identified. The findings suggest airport air monitoring can complement wastewater and clinical data to inform ventilation improvements, public health messaging, and resource allocation for future pandemics.