Current vaccine strains show high neutralization against the latest variants, but the LP.8.1 antigen may provide similar or moderately higher cross-reactive antibody response.
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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To mark World Hand Hygiene Day, the World Health Organization (WHO) today called for countries to reduce inequalities in the availability of good hand hygiene and other infection prevention and control (IPC) measures.
Vaccines are just one of many COVID-disrupted services, a recent survey notes.
Also, Pfizer expect its mRNA vaccine to be approved soon for emergency use in children ages 12 to 15.
More states announce lockdowns as the country's daily cases top 300,000 for 2 weeks straight.
In 2020, in-hospital mortality dropped from 19.1% in March and April to 10.8% in September through November in COVID-19 patients in the United States, according to a study yesterday in JAMA Network Open.
The researchers accounted for potential confounding factors like crowded living conditions and poverty measures.
A WHO official says COVAX has so far distributed about 20 million vaccine doses, prioritizing health workers.
The study includes more than 17 million adults in England.
In northern California, stay-at-home orders were linked to less exercise but not less substance use.
