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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Those taking Paxlovid had a 25% lower risk of developing 10 of 12 long-COVID conditions.
Selective serotonin reuptake inhibitors (SSRIs), the most commonly used class of antidepressants in the United States, don't appear to prevent severe COVID-19 or death among outpatients, according to a study presented this week at the American Heart Association's Scientific Sessions in Chicago.
Muliple respiratory viruses are already straining health systems, with children among the hardest hit groups.
Neutralizing antibodies were about fourfold higher than with Pfizer's original COVID vaccine.
In a new study in BMC Medicine, Dutch researchers report that, 12 months after illness onset, people with initially moderate to severe COVID-19 still had impaired health-related quality of life (HRQL), but the same was not true for mild COVID-19.
A study of hospitalized COVID-19 patients in Michigan found that procalcitonin (PCT) trends were associated with the decision to initiate antibiotics and duration of treatment, independent of bacterial pneumonia (bPNA) status, researchers reported today in Infection Control & Hospital Epidemiology.
One report details a massive NYC effort to probe 941,035 COVID-19 cases and follow up with their contacts.
COVID-19 vaccination of children in Qatar was tied to low to modest, rapidly waning protection against infection with the Omicron variant, but teens had slightly more robust, longer-lasting immunity, suggests a study published yesterday in the New England Journal of Medicine (NEJM).
Those with chronic high blood pressure (BP) saw small but consequential BP increases during COVID-19.
Americans who received an mRNA COVID-19 vaccine after SARS-CoV-2 infection are more likely to experience severe systemic adverse events (AEs) than their never-infected counterparts, according to a study published yesterday in Vaccine.
