Indigenous Services Canada
The Federal government, thorough Indigenous Services Canada, has provided a landing page for all COVID-19 information for First Nations, Métis and Inuit communities, individuals and healthcare providers.
There is a visual pdf here: https://www.sac-isc.gc.ca/DAM/DAM-ISC-SAC/DAM-HLTH/STAGING/texte-text/preparedness_response_COVID-19_1584463875030_eng.pdf
Or access the landing page here: https://www.sac-isc.gc.ca/eng/1584456952392/1584456999460
CBC News has an excellent guide outlining proceedures for testing in each province and territory: https://www.cbc.ca/news/health/covid19-coronavirus-what-to-do-1.5498986
