'Unable to have a proper conversation over the phone about my concerns': a multimethods evaluation of the impact of COVID-19 on routine childhood vaccination services in London, UK.

Objectives: Investigating the completion rate of 12-month vaccinations and parental perspectives on vaccine services during COVID-19.

Study-design: Service evaluation including parental questionnaire.

Methods: Uptake of 12-month vaccinations in three London general practices during three periods: pre-COVID (1/3/2018-28/2/2019, n = 826), during COVID (1/3/2019-28/2/2020, n = 775) and post-COVID first wave (1/8/2020-31/1/2021, n = 419).