The delay, narrowed approval, and extra study steps raise concerns about the status of and potential added requirements for other COVID vaccines.
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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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.
The most-cited reasons for not getting new COVID-19 boosters were lack of awareness about eligibility and overestimations of their own existing immunity.
