Overall vaccine effectiveness was 29% against COVID-19–associated hospitalization.
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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Though the rate of Omicron long COVID appears to be lower, because the variant causes so much infection, a lot of people are still affected.
Rates of COVID-19 hospitalization among adult Medicare beneficiaries with disabilities were almost 50% higher than rates among elderly beneficiaries with no disability, according to a study today in Morbidity and Mortality Weekly Report (MMWR).
Flu vaccination rates fell 4.5 percentage points (from 43.7% to 39.2%) in states with below-average COVID-19 vaccination.
Levels of COVID-19 vaccination in 31 African countries in the first 5 months of 2022 show a significant rise in COVID-19 immunization among high-risk groups, officials from the World Health Organization (WHO) African regional office said today at a briefing.
Moderna and Pfizer vaccines gain unanimous approval for kids as young as 6 months; CDC advisers will assess them next.
A study today in JAMA Network Open comparing COVID-19 versus flu in kids 5 years old and younger finds that the novel coronavirus led to twice the rate of admissions to pediatric intensive care units (PICUs) and rates of intubation one-third higher during the first 15 months of the pandemic.
The move comes as the more transmissible BA.4 and BA.5 Omicron subvariants expand their reach.
The authors say viral replication may have triggered a secondary immune response in the rebound cases.
"We're talking about an extra burden that rural counties face."
Automated text messages were as effective as direct phone calls in encouraging study participants to get the COVID-19 vaccine, according to a JAMA Network Open study yesterday from the Perelman School of Medicine at the University of Pennsylvania,.
