The percentage of virus tests that show positive results ("positivity") is an indicator of the percentage of the total infections that is being identified through testing. The higher the positivity is, the lower the percentage of overall infections being detected is. These graphs show the history of positivity in each province. Read more

These graphs show the 7-day trends in positive test results for each province. The data has been retrieved from the Government of Canada. The graphs compare the number of positive tests for the most recent 7-day period to the results for the preceding 7-day period. In other words, they compare the most recent days Read more

These graphs show the history of contagiousness in each province. Contagiousness is calculated as the number of people who are actively infected for the 8-period from 3 days before a positive test to 4 days after. Total number of people infected is calculated using the two infection models. Read more