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Maternal vaccination protects infants from diseases such as pertussis and COVID-19 during the first few months of life. Influenza rates are rising throughout the U.S., where infants and children with this illness contribute significantly to emergency department (ED) visits and hospitalizations. Although influenza vaccination is universally recommended starting at age 6 months, uptake for young infants (as well as pregnant persons) is low.
In a test-negative case control study of data from the New Vaccine Surveillance Network (NVSN) throughout three consecutive influenza seasons, researchers assessed the impact of influenza vaccination during pregnancy on infant influenza-related ED visits and hospitalizations. Among 3764 eligible infants age…