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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Most nursing home outbreaks began with an infected staff member, according to a new government report.
Study finds limited healthcare capacity, especially in rural areas, hampered COVID-19 vaccination efforts.
The demand comes in anticipation of a COVID-19 surge in China amid looser public health restrictions.
Autopsies of 44 people who died with COVID-19 show that SAR-CoV-2 spread throughout the body, including into the brain, and lingered for almost 8 months.
Parents were 8 times more likely to have their child immunized when they perceived that the information they received on the vaccine was credible.
Adults who are more physically active before testing positive have a lower risk of severe COVID-19 outcomes.
A winter preparedness plan includes more free at-home tests and intensified vaccination outreach, especially in nursing homes.
In other developments, the WHO said discussions on criteria for ending the global health emergency will begin next month.
Researchers find a link between delaying surgery after COVID-19 infection and a lower risk of major postoperative cardiovascular complications.
The monthly proportion of hospitalizations tied to psychological issues spiked after the emergence of COVID-19 in the US but not in France.
