The impact of the COVID-19 pandemic on UK parents' attitudes towards routine childhood vaccines: A mixed-methods study. - Skirrow, Helen; Lewis, Celine; Haque, Habiba; Choundary-Salter, Lena; Foley, Kim; Whittaker, Elizabeth; Costelloe, Ceire; Bedford, Helen; Saxena, Sonia (PLoS ONE, 2024)