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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The head of the WHO European office warns the B117 variant could displace other lineages.
The results of a UK mental health survey conducted before and after the start of the pandemic found that British minorities were more impacted by the pandemic, but all citizens reported an increase in mental distress, according to a study yesterday in PLOS One.
Survey finds COVID tracking maps don't change Americans' perceived individual risk.
Vaccine risk of anaphylaxis is 11.1 per 1 million doses administered, the CDC says.
Only 16% of those treated developed severe disease, compared with 31% in the placebo group.
In Europe's growing third surge, more nations report single-day highs, including Portugal and the Czech Republic.
In a US study published today in Science, researchers detected immune memory to SARS-CoV-2 across all immune cell types studied for as long as 8 months after patients became ill with COVID-19.
Antibody testing shows that 14% of Americans had been infected by Nov 15, and 35% of deaths were missed.
Georgia is the 5th state to report a B117 variant case, and San Diego County confirms 28 more variant cases.
The agency says it was disappointed with China over visa problems for the international joint mission and that the B117 variant has been found in 40 nations.
