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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Racial and ethnic disparities in COVID-19 infection rates were significant among Americans younger than 25 years early in the pandemic, particularly for Native Hawaiian/Pacific Islander, American Indian/Alaska Native, and Hispanic people, according to a study today in Morbidity and Mortality Weekly Report (MMWR).
Cases were up 2% last week, following a 7% increase the week before, the WHO says.
The rate of anaphylaxis after 1 dose of the Pfizer or Moderna vaccine was well under 0.1%.
Also, 21% of adults polled say they think they'll be able to return to normal by summer.
In other developments, some hot spot countries report rising COVID-19 hospitalization and ICU levels.
The US and UK digital COVID-19 symptom checkers consistently suggest less healthcare contact than Singapore's and Japan's, which may cause more serious outcomes, according to a study released yesterday by BMJ Health & Care Informatics.
The guidance offers a peek of what life might be when we move beyond COVID-19.
"COVID-19 has had a devastating impact on individuals with intellectual disabilities."
The world added 1 million cases, and Brazil had its highest daily total since early January.
US in-hospital mortality for COVID-19 was almost 14% overall but decreased 15 percentage points from March to August 2020, with higher rates in older patients, according to a research letter published in JAMA Network Open late last week.
