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2. Estimation of COVID-19 induced depletion of hospital resources in Ontario, Canada;Barrett;CMAJ,2020
3. Ontario Ministry of Health. Guidance for immunization services during COVID-19 [Internet]. Ottawa (ON): Ontario Ministry of Health; 2020 [updated 2020 Aug 25; cited 2021 Jan 14]. Available from: http://www.health.gov.on.ca/en/pro/programs/publichealth/coronavirus/docs/Immunization_Services_during_COVID-19_08-26-2020.pdf.
4. National Advisory Committee on Immunization. Interim guidance on continuity of immunization programs during the COVID-19 pandemic [Internet]. Ottawa (ON): Government of Canada; 2020 [updated 2020 May 13; cited 2020 Jan 14]. Available from: https://www.canada.ca/en/public-health/services/immunization/national-advisory-committee-on-immunization-naci/interim-guidance-immunization-programs-during-covid-19-pandemic.html.
5. World Health Organization. Special feature: immunization and COVID-19 [Internet]. Geneva (CH): World Health Organization; 2020 [cited 2021 Jan 18]. Available from: https://www.who.int/immunization/monitoring_surveillance/immunization-and-covid-19/en/.