Influenza vaccination among caregivers and household contacts of children with congenital heart disease before and during COVID‐19 pandemic

Aim We aimed to investigate the influenza immunisation status of caregivers and household contacts of children with congenital heart disease (CHD) and potential barriers to vaccine uptake. Methods Prospective questionnaire‐based survey over two influenza seasons (2019–2020 and 2020–2021) on 161 children with CHD attending a tertiary paediatric cardiology clinic and their families. Logistic regression and factor analysis were performed to...