Retrospective analysis of North West London healthcare utilisation by children during the COVID-19 pandemic.

Objective: To explore the impact of the measures taken to combat COVID-19 on the patterns of acute illness in children presenting to primary and secondary care for North West London.

Design/setting/participants: Retrospective analysis of 8 309 358 primary and secondary healthcare episodes of children <16 years registered with a North West London primary care practice between 2015 and 2021.

Main Outcome Measures: Numbers of primary care consultations, emergency department (ED) attendances and emergency admissions during the pandemic were compared with those in the preceding 5 years.