About 60% of participants with long COVID attributed their work loss to their symptoms.
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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Increases in HPV vaccination rates were lower than expected.
The authors show how a relatively small serosurveillance scheme could complement traditional surveillance, enhancing epidemic understanding and forecast modeling.
Vaccination of all US adults may be attractive not only for its expected health gains but also for its economic benefits, the authors say.
The odds of a respiratory tract infection and any infection were lower in the SARS-CoV-2 group.
Experts say the move risks national security by leaving the US vulnerable to the next pandemic virus.
Only a small fraction examine whether these devices or systems reduce human infections or identify potential harmful emissions.
Only 49% of poll respondents said they trust the Food and Drug Administration or the CDC to make sure vaccines are safe.
Over one-quarter of participants were admitted to an ICU, and nearly one-third needed mechanical ventilation or high-flow oxygen.
Risk factors included financial hardship, food insecurity, lack of a college degree, medical discrimination, and poor social support.
The CDC said COVID-19 activity is rising in several parts of the country and test positivity and emergency department visits are up nationally.