The adjusted efficacy against infection of any severity was 59% for BNT162b2 and 74% for mRNA-1273.
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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While it has immune-escape characteristics, the SARS-CoV-2 BA.3.2 strain isn't associated with increased COVID severity or transmissibility, early evidence suggests.
Outpatient visits for flu are below the national baseline and weekly hospital admissions continue to fall, but 4 more pediatric flu deaths were reported this week.
During the 2024–25 season, three-fourths of health care workers received a flu vaccine, while only about 40% got a COVID shot.
The vaccine reduced the risk of COVID-related hospital contact in the first 6 months of life 36%, but protection waned over time.
Vaccine-hesitant older adults are more willing to accept hypothetical COVID shots when they are described as preserving their freedom and autonomy rather than as complying with government recommendations.
In an observational study, researchers found highly vaccinated cancer patients diagnosed with COVID during the Omicron wave did not have a higher risk of long COVID than did noninfected cancer patients.
The request is difficult to honor, given that blood centers don’t ask donors if they’ve been vaccinated and don’t label blood accordingly, and it comes with serious issues.
Fluvoxamine reduces fatigue in people with long COVID, at least in the short term, according to a new study that tested the drug against a placebo.
After a tough flu season, doctors are seeing fewer people with influenza.
A study of children in Massachusetts finds that scores on an executive function test dropped dramatically after the pandemic began.
