The risk of long COVID was two to three times higher after the initial infection (14.8%) than after first (5.8%) or second (5.3%) reinfections.
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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The experts voted unanimously to approve the booster in the same risk groups as for the Pfizer vaccine booster.
During a 14-day follow-up, only 8 of 144 infused patients (5.6%) were hospitalized, despite all being at high risk.
The number of unvaccinated Americans has dropped from 100 million in July to 66 million.
Using COVID-19 viral load and viral cultures from 110 children, researchers suggest that children may serve as reservoirs for COVID-19, furthering transmission and viral evolution.
Data on more than 250,000 survivors reveal 54% had at least 1 symptom 6 months or more after diagnosis.
More than 3,500 organizations have mandated COVID-19 vaccines for employees.
Deaths also fall in most parts of the world, though fatalities increased 11% in Europe.
While the absolute risk of acquiring COVID-19 in the hospital was low—up to 0.75% risk per day of exposure pre-Delta (B1617.2) variant—patients or healthcare workers (HCWs) with COVID-19 nonetheless can be factors in the spread of COVID-19, a study published yesterday in PLOS One says.
WHO leaders have previously urged countries to postpone broader use of booster doses.
This week Moderna plans to request a half-dose COVID-19 booster.
