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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Cities and states are still struggling with high demands for hospital services.
A new Canadian study shows visits for mental health and substance abuse problems by physicians increased 27% during the first year of the COVID-19 pandemic. The study is published in JAMA Network Open.
"With rapid antigen tests, positive results are generally meaningful, but negative results have to be taken with a grain of salt."
A third mRNA vaccine dose results in fewer Omicron deaths, hospitalizations, and cases, 3 studies find.
Experts back booster shots in high-priority groups and a reduced vaccine dose for children 5 to 11 years old.
A cohort study of more than 2,000 US and Canadian women indicates that COVID-19 vaccination does not impair fertility—but men who become infected with SARS-CoV-2 may experience short-term reduced fertility, according to surveys of the women's partners.
New York, Boston, Denver, the Twin Cities, and San Diego have all likely peaked, according to sampling.
Meanwhile, officials in Denmark and Norway say an Omicron subvariant called BA.2 is increasing rapidly.
A third dose of COVID-19 vaccine successfully raises antibody levels that neutralize the Omicron variant, according to laboratory findings from UK scientists published yesterday in The Lancet.
The respirators will be distributed at community health centers and pharmacies across the country.
