For the total 2025-26 flu season, 92% of flu specimens have been typed as influenza A.
The highest antibody levels were seen among those who were school-aged children during the 2009 H1N1 flu pandemic.
The use of antiviral treatments in children hospitalized for influenza fell sharply during the COVID-19 pandemic, according to a study in Pediatrics.
The number of US jurisdictions reporting very high or high flu activity fell from the previous week, from 45 to 36.
As of January 3, the CDC said there have been 17 pediatric flu deaths this season.
Officials don't know what caused gastrointestinal illness in 95 passengers and 9 crew on the Celebrity Eclipse in late December.
A COVID diagnosis was associated with 76% higher odds of death within 30 days.
Mexico has reported 92 cases of myiasis caused by New World screwworm as of November.
Only 1 state—Louisiana—reported high influenza-like illness.
Only 3 states report moderate levels of acute respiratory illnesses.
The CDC has closed its investigation into a Salmonella outbreak linked to eggs that sickened 105 people in 14 states.
This is the 18th case of human H5N1 avian flu in Cambodia this year.
Antiviral prescribing for influenza-positive kids at risk of severe illness in US emergency departments declined 53% compared with the prepandemic period.
Overall flu cases are 10.8% higher than last year across Australia.
Japan typically reports increased influenza activity at the end of November.
The money will fund work on CD388, a non-vaccine preventive for both pandemic and seasonal flu.
In other developments, the CDC reported one more pediatric flu death, raising the season's total to 281, the highest for a nonpandemic year.
Test positivity is down slightly, but emergency department visits for COVID are elevated in children.
The vaccine, called OVX836, is designed to target the nucleoprotein (NP) of the influenza A virus, which is a highly conserved and less likely to mutate.
The CDC reported five more influenza-associated pediatric deaths, bringing the total for the 2024-25 flu season to 275.
The CDC projects that COVID infections are growing or likely growing in most states.
Notably, the dual therapy group had significantly lower 28-day mortality compared to their monotherapy peers and was associated with a shorter viral shedding time.
Of 266 pediatric flu deaths, 90% were in kids who were eligible but not fully immunized, up from 82% during the previous season.
The authors said the findings may help develop environmental risk alerts.
Of those at risk, 622 (32%) received an antiviral.
