Delivery of Cancer Care in Ontario, Canada, During the First Year of the COVID-19 Pandemic.

Importance: The COVID-19 pandemic has impacted cancer systems worldwide. Quantifying the changes is critical to informing the delivery of care while the pandemic continues, as well as for system recovery and future pandemic planning.

Objective: To quantify change in the delivery of cancer services across the continuum of care during the COVID-19 pandemic.

Clearing the surgical backlog caused by COVID-19 in Ontario: a time series modelling study.

Background: To mitigate the effects of coronavirus disease 2019 (COVID-19), jurisdictions worldwide ramped down nonemergent surgeries, creating a global surgical backlog. We sought to estimate the size of the nonemergent surgical backlog during COVID-19 in Ontario, Canada, and the time and resources required to clear the backlog.

Methods: We used 6 Ontario or Canadian population administrative sources to obtain data covering part or all of the period between Jan.