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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Taking substantial sick leave may be a proxy for long COVID, offering another data point for measuring the burden of the complication.
Though illness levels are declining in much of the world, they are on the rise in some countries including India and a handful of Middle East countries.
The authors said a range of factors--biological, psychological, or social--might trigger and maintain long COVID symptoms.
The variants predate the use of the drugs, appeared independently in multiple world regions, and are capable of spreading.
Babies born to moms who had COVID had lower BMIs at first, but weight rose steeply through infancy, a possible harbinger of problems in later life.
India's cases are at the highest level in 6 months, as the US experiences a politically charged unwinding of its COVID health emergencies.
Nearly two-thirds of patients hospitalized with flu, RSV, or COVID-19 received antibiotics, but they had a higher risk of death than those who didn't.
Though COVID deaths drove part of the widening gap, other factors such as unintentional injuries involving opioids and alcohol also played a role.
For the first time, the recommendations factor in cost-effectiveness for vaccinating those at lower risk, partly due to concerns about maintaining coverage of crucial routine vaccines such as measles.
Recently approved for emergency use, the first combo at-home test for COVID-19 also marks the first self-test for flu.
