Time trends in this report are presented by epidemiological week, a schedule used by the national FluWatch program coordinated by Public Health Agency of Canada.
Below is the table showing the extended epidemiological weeks used in the Provincial COVID-19 Surveillance Report
| Week | 2021 | 2022 |
|---|---|---|
| 1 | January 3 - January 9 | January 2 - January 8 |
| 2 | January 10 - January 16 | January 9 - January 15 |
| 3 | January 17 - January 23 | January 16 - January 22 |
| 4 | January 24 - January 30 | January 23 - January 29 |
| 5 | January 31 - February 6 | January 30 - February 5 |
| 6 | February 7 - February 13 | February 6 - February 12 |
| 7 | February 14 - February 20 | February 13 - February 19 |
| 8 | February 21 - February 27 | February 20 - February 26 |
| 9 | February 28 - March 6 | February 27 - March 5 |
| 10 | March 7 - March 13 | March 6 - March 12 |
| 11 | March 14 - March 20 | March 13 - March 19 |
| 12 | March 21 - March 27 | March 20 - March 26 |
| 13 | March 28 - April 3 | March 27 - April 2 |
| 14 | April 4 - April 10 | April 3 - April 9 |
| 15 | April 11 - April 17 | April 10 - April 16 |
| 16 | April 18 - April 24 | April 17 - April 23 |
| 17 | April 25 - May 1 | April 24 - April 30 |
| 18 | May 2 - May 8 | May 1 - May 7 |
| 19 | May 9 - May 15 | May 8 - May 14 |
| 20 | May 16 - May 22 | May 15 - May 21 |
| 21 | May 23 - May 29 | May 22 - May 28 |
| 22 | May 30 - June 5 | May 29 - June 4 |
| 23 | June 6 - June 12 | June 5 - June 11 |
| 24 | June 13 - June 19 | June 12 - June 18 |
| 25 | June 20 - June 26 | June 19 - June 25 |
| 26 | June 27 - July 3 | June 26 - July 2 |
| 27 | July 4 - July 10 | July 3 - July 9 |
| 28 | July 11 - July 17 | July 10 - July 16 |
| 29 | July 18 - July 24 | July 17 - July 23 |
| 30 | July 25 - July 31 | July 24 - July 30 |
| 31 | August 1 - August 7 | July 31 - August 6 |
| 32 | August 8 - August 14 | August 7 - August 13 |
| 33 | August 15 - August 21 | August 14 - August 20 |
| 34 | August 22 - August 28 | August 21 - August 27 |
| 35 | August 29 - September 4 | August 28 - September 3 |
| 36 | September 5 - September 11 | September 4 - September 10 |
| 37 | September 12 - September 18 | September 11 - September 17 |
| 38 | September 19 - September 25 | September 18 - September 24 |
| 39 | September 26 - October 2 | September 25 - October 1 |
| 40 | October 3 - October 9 | October 2 - October 8 |
| 41 | October 10 - October 16 | October 9 - October 15 |
| 42 | October 17 - October 23 | October 16 - October 22 |
| 43 | October 24 - October 30 | October 23 - October 29 |
| 44 | October 31 - November 6 | October 30 - November 5 |
| 45 | November 7 - November 13 | November 6 - November 12 |
| 46 | November 14 - November 20 | November 13 - November 19 |
| 47 | November 21 - November 27 | November 20 - November 26 |
| 48 | November 28 - December 4 | November 27 - December 3 |
| 49 | December 5 - December 11 | December 4 - December 10 |
| 50 | December 12 - December 18 | December 11 - December 17 |
| 51 | December 19 - December 25 | December 18 - December 24 |
| 52 | December 26 - January 1 | December 25 - December 31 |