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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More than 53,000 pediatric US COVID-19 cases were reported last week, a 61% increase.
Cognitive impairment from severe COVID-19 is equivalent to losing 10 IQ points or 20 years of aging, and any recovery is slow at best, suggests a small study published late last week in eClinicalMedicine.
The difference was small but meaningful at a population level, suggests a large study.
Meanwhile, US cases continue to grow, especially in the Northeast, though hospitalizations and deaths are still low.
The rate of full COVID-19 vaccination among employees of a private Minnesota medical device manufacturer rose 10.4 percentage points after the company began offering $1,000 incentives for immunization, finds a study published late last week in JAMA Network Open.
The sensitivity of home rapid antigen COVID-19 tests peaks 4 days after symptom onset, suggesting that a negative antigen test should be followed by a second test in 1 or 2 days, according to a prospective study published today in JAMA Internal Medicine.
Wide-ranging individual infectiousness challenges the notion that behavior is the main superspreader driver.
South African officials say they will have a clearer picture as next week unfolds, and officials in China's Guangdong province track an outbreak in the capital.
Cases are rising in South Africa, where researchers are closely tracking two new Omicron subvariants, BA.4 and BA.5. Both seem to be more transmissible than BA.2.
Risk factors for severe COVID varied by age, with BMI and underlying conditions more notable for younger adult patients and lab results more predictive for older people.
