Less than 6 hours of sleep a night in the days before and after flu and hepatitis A and B vaccination was associated with a lower immune response.
US influenza activity is still low, flu vaccine protection is moderate, and WHO advisers only tweak the makeup of next year's flu vaccine.
The findings may be helpful for communicating the benefits of pairing flu and COVID vaccination.
CDC data show vaccine effectiveness against the H3N2 strain for all ages was 36%.
Flu activity is very high or high across most of the continental United States.
Flu vaccination reduced pneumonia by 40% and hospitalization by 15% in people with heart failure.
US adults who get the flu vaccine every year are 24.7% more likely to complete a primary COVID-19 vaccine regimen.
Muliple respiratory viruses are already straining health systems, with children among the hardest hit groups.
COVID-19 vaccination of children in Qatar was tied to low to modest, rapidly waning protection against infection with the Omicron variant, but teens had slightly more robust, longer-lasting immunity, suggests a study published yesterday in the New England Journal of Medicine (NEJM).
The vaccine advisory group for the Centers for Disease Control and Prevention (CDC) today approved changes to the child and adolescent immunization schedule, which adds COVID-19 vaccine to the recommended immunizations. The recommendation by the Advisory Committee on Immunization Practices (ACIP) passed on a unanimous 15-to-0 vote.
