The full paper is published in Annals of Epidemiology.
What did we do?
We compared per-capita rates (daily and cumulative) of COVID-19 cases and deaths from January 23, 2020 to January 24, 2021, across neighborhoods in Toronto, Canada (population 2.7 million) by proportion of the population working in essential services (manufacturing, utilities, trades, transport, equipment operators, sales, services, health, resources, agriculture, and production). We used person-level data on laboratory-confirmed COVID-19 community cases and deaths, and census data for neighborhood-level attributes.
What did we find?
This work, co-led by Huiting Ma, cumulative per-capita rates of COVID-19 cases and deaths were 3.3-fold and 2.5-fold higher, respectively, in neighborhoods with the highest versus lowest concentration of essential workers.