4 ms·
https://www.canada.ca/en/public-health/services/diseases/coronavirus-disease-covid-19/covid-alert.html https://www.canada.ca/en/public-health/services/diseases/
by pards 6y ago
https://www.canada.ca/en/public-health/services/diseases/coronavirus-disease-covid-19/covid-alert.html https://www.canada.ca/en/public-health/services/diseases/cor...
Ontario is now doing contact tracing