The combined vaccine elicited higher immune response against SARS-CoV-2.
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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France eases its ban on travel from England, a move prompted by the discovery of a rapidly spreading variant virus.
No COVID vertical transmission was found, but maternal antibody transfer was less than expected.
The findings provide hope that vaccines may generate long-term protection.
A multistate analysis of hospitalized COVID-19 patients in the American Journal of Epidemiology yesterday found that 12.6% of patients died, with blacks especially hard hit.
The Pfizer-BioNTech vaccine likely protects against the UK variant, an official says.
A study in JAMA Internal Medicine today demonstrates a sharp decline in US hospital COVID-19 mortality rates during the first 6 months of the pandemic, with wide variation across hospitals and poorer outcomes linked to higher county-level case rates.
More than 1,100 cases involving the fast-spreading strain are confirmed, most in people younger than 60.
Today and tomorrow 5.9 million doses of Moderna's vaccine will arrive at 3,400 locations.
A study of pandemic deaths in California in JAMA Internal Medicine today found the highest excess mortality in older adults, black and Hispanic residents, and those without college degrees. Excess death rates for Hispanic residents and those without a high school degree more than tripled after reopening, likely due to increased COVID-19 risk faced by low-wage, essential workers.
Essential workers include first responders, teachers, public transit employees, and grocery store staff.
