HHS received a list of 100 ways it could better prepare for and respond to public health emergencies such as pandemics.
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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Division 1 student athletes had about half the risk of testing positive in 2020-21.
Upon approval, 10 million Pfizer vaccine doses will be ready to ship on Feb 21 and Feb 25.
A study in Qatar estimates that previous COVID-19 infection imparts 56% protection against future symptomatic infection caused by the highly transmissible Omicron variant, down from about 90% for other SARS-CoV-2 strains.
The study, published yesterday in the New England Journal of Medicine (NEJM), was led by researchers at Weill Cornell Medicine–Qatar in Doha.
However, COVID-19 deaths—known to be a lagging indicator—continue to rise, the WHO says.
"We are encouraged by current trends, but we are not there yet."
A prospective cohort study of US children diagnosed as having COVID-19 reveals that certain demographic characteristics, preexisting chronic diseases, and initial vital sign and lab values may portend disease severity, a finding that the researchers said could help improve outcomes.
COVID-19 raises the risk of serious complications or death 40%, new data show.
Also, 4.2 million US kids' cases were reported in January, and global developments include hamster infections and Olympics news.
A small Massachusetts General Hospital–based study in JAMA shows more lasting antibodies in infants after COVID-19 vaccination during pregnancy, compared with infants whose mothers had natural COVID-19 infections during pregnancy but were not vaccinated.
Hong Kong, which has taken a more aggressive "zero COVID" approach, reports a record 614 daily cases.
