The United States has been in a "protracted health crisis" for decades, the researchers say.
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 positivity rate of home tests was comparable to official results through June 2022 but then started to drop off.
Problems included delays in state acceptance of the funds, hiring challenges, difficulty executing contracts, local organizations' limited capacity, and supply challenges.
Operation Warp Speed deployed five phase 3 COVID-19 vaccine clinical trials involving 136,000 participants, a new report reveals.
The researchers say placentas of pregnant women infected with SARS-CoV-2 should be examined after testing positive.
Vaccine advisers will vote on whether to simplify vaccine composition and will discuss an annual recommendation and a system for vaccine strain selection.
Those least likely to receive at least 4 doses were Black, previously had COVID-19, or were on high-dose corticosteroids.
Moderate to severe COVID-19 from the Omicron variant was nearly three times more likely in women who received no vaccines during pregnancy.
A randomized trial found that antibiotics used to treat Heliobacter pylori infections had lower-than-accepted eradication rates in patients previously treated for COVID-19.
Also, separate reports from the WHO and Europe show declines in cases, with countries and regions reflecting differences in subvariant proportions.
All samples from the Heathrow and Bristol airports and 85% from the Edinburgh terminals tested positive for SARS-CoV-2 genetic material.
