Trends in Parents' Confidence in Childhood Vaccines During the COVID-19 Pandemic.

The coronavirus disease 2019 (COVID-19) pandemic substantially disrupted well-child visits and vaccinations in the United States.1,2 Parent hesitancy for pediatric COVID-19 vaccines3 and widespread vaccine misinformation during the pandemic may have affected parent confidence in routine childhood vaccines. Little is known beyond two studies: one involved a convenience sample from a single medical center;4 the other evaluated adolescent vaccines only.5 Using longitudinal data from a nationally representative sample, we assessed how parents' confidence in childhood vaccines changed during the pandemic.