The CDC also provided data on the rise of subclade K among H3N2 flu viruses ahead of holiday gatherings.
Plaque growth can lead to a higher risk of heart attack, stroke, and other life-threatening cardiovascular events for as long as 1 year.
Post-exertional malaise, or exercise intolerance, was seen in 36% of those with long COVID.
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Workers in high-risk jobs had a 44% higher likelihood of developing long COVID.
Working while sick increased over time, from less than 2% in 2020 to 15% in 2024.
The increase in developmental delays was up to 6.6% higher for children who experienced physical distancing measures for a longer period.
The study confirms the safety and benefits of COVID-19 vaccines for pregnant women at a time when federal officials are publicly raising doubts about the safety of immunizations.
In addition, the emergence of the influenza A H3N2 subclade K virus fueled a record number of flu cases in Australia this year and extended the season, which may have implications for the Northern Hemisphere season.
The findings draw on data from more than 98,000 pediatric cases.
Vaccinated adults had a 74% lower risk of death from severe COVID.
Researchers identify nearly 5 excess cardiovascular events per 100 patients in the year after diagnosis.
Just 34% of US adults have gotten a flu shot, 25% have had a COVID vaccine, 8% have received the pneumococcal vaccine, and 6% have been vaccinated against RSV.
“We are deeply concerned by sweeping new FDA assertions about vaccine safety and proposals that would undermine a regulatory model designed to ensure that vaccines are safe, effective, and available," write 12 former FDA directors.
