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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CDC advisers vote unanimously to recommend the Pfizer-BioNTech vaccine for people ages 16 and up.
The Delta variant was also tied to a higher rate of emergency care than the Alpha variant.
In addition, a research team based in South Africa described a new variant of interest called C.1.2.
High-risk adults with mild to moderate COVID-19 who receive a dose of casirivimab and imdevimab have lower hospitalization rates than those who don't, according to a randomized, controlled trial today in The Lancet's EClinicalMedicine. The casirivimab and imdevimab combination is under emergency use authorization by the US Food and Drug Administration.
Also, the CDC does not intend to revisit its pre-Delta COVID-19 guidelines for schools at this point.
A third still have shortness of breath 1 year after hospital release.
Officials are hopeful Africa can reach 10% of its population with vaccine by the end of September.
The risk of blood clots is higher following COVID-19 infection than after vaccination, researchers based at Oxford University reported today in BMJ.
Any slight risk tied to the vaccine was a much higher risk among those infected with COVID-19.
In addition, the CDC warns about ivermectin, a livestock anti-parasite drug some people have used to treat COVID-19.
