Flu, respiratory syncytial virus, and COVID-19 levels still elevated in some parts of the country.
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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Conversely, anxiety and depression were seen less frequently.
The discovery will allow vaccine developers to avert the disorder by adjusting the adenovirus protein in the vaccines, the authors say.
No similar link found between infection and impaired fertility in females, new review suggests.
The perceived safety of the MMR vaccine is now 83% (down from 86%).
A new study finds no increase in autism rates in babies born to mothers who received COVID-19 vaccines just before or during pregnancy, compared with children of unvaccinated moms.
Relative to people of healthy weight, those with class 3 obesity were 3 times more likely to be hospitalized for or die of infection.
An estimated 17,400 more cancer deaths occurred during the pandemic, 13% more than expected.
Conservatives living in liberal regions had a 60% likelihood of receiving a booster dose, compared with under 35% in conservative areas.
Efficacy was similar against the SARS-CoV-2 KP.3.1.1 and XEC variants.
Of adults ages 50 and older, 42% remain unvaccinated.