Time trends in this report are presented by epidemiological FluWatch 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 Respiratory Surveillance Report
| Week | Start | End |
|---|---|---|
| 35 | August 29, 2021 | September 4, 2021 |
| 36 | September 5, 2021 | September 11, 2021 |
| 37 | September 12, 2021 | September 18, 2021 |
| 38 | September 19, 2021 | September 25, 2021 |
| 39 | September 26, 2021 | October 2, 2021 |
| 40 | October 3, 2021 | October 9, 2021 |
| 41 | October 10, 2021 | October 16, 2021 |
| 42 | October 17, 2021 | October 23, 2021 |
| 43 | October 24, 2021 | October 30, 2021 |
| 44 | October 31, 2021 | November 6, 2021 |
| 45 | November 7, 2021 | November 13, 2021 |
| 46 | November 14, 2021 | November 20, 2021 |
| 47 | November 21, 2021 | November 27, 2021 |
| 48 | November 28, 2021 | December 4, 2021 |
| 49 | December 5, 2021 | December 11, 2021 |
| 50 | December 12, 2021 | December 18, 2021 |
| 51 | December 19, 2021 | December 25, 2021 |
| 52 | December 26, 2021 | January 1, 2022 |
| 1 | January 2, 2022 | January 8, 2022 |
| 2 | January 9, 2022 | January 15, 2022 |
| 3 | January 16, 2022 | January 22, 2022 |
| 4 | January 23, 2022 | January 29, 2022 |
| 5 | January 30, 2022 | February 5, 2022 |
| 6 | February 6, 2022 | February 12, 2022 |
| 7 | February 13, 2022 | February 19, 2022 |
| 8 | February 20, 2022 | February 26, 2022 |
| 9 | February 27, 2022 | March 5, 2022 |
| 10 | March 6, 2022 | March 12, 2022 |
| 11 | March 13, 2022 | March 19, 2022 |
| 12 | March 20, 2022 | March 26, 2022 |
| 13 | March 27, 2022 | April 2, 2022 |
| 14 | April 3, 2022 | April 9, 2022 |
| 15 | April 10, 2022 | April 16, 2022 |
| 16 | April 17, 2022 | April 23, 2022 |
| 17 | April 24, 2022 | April 30, 2022 |
| 18 | May 1, 2022 | May 7, 2022 |
| 19 | May 8, 2022 | May 14, 2022 |
| 20 | May 15, 2022 | May 21, 2022 |
| 21 | May 22, 2022 | May 28, 2022 |
| 22 | May 29, 2022 | June 4, 2022 |
| 23 | June 5, 2022 | June 11, 2022 |
| 24 | June 12, 2022 | June 18, 2022 |
| 25 | June 19, 2022 | June 25, 2022 |
| 26 | June 26, 2022 | July 2, 2022 |
| 27 | July 3, 2022 | July 9, 2022 |
| 28 | July 10, 2022 | July 16, 2022 |
| 29 | July 17, 2022 | July 23, 2022 |
| 30 | July 24, 2022 | July 30, 2022 |
| 31 | July 31, 2022 | August 6, 2022 |
| 32 | August 7, 2022 | August 13, 2022 |
| 33 | August 14, 2022 | August 20, 2022 |
| 34 | August 21, 2022 | August 27, 2022 |
| 35 (2022-2023) | August 28, 2022 | September 3, 2022 |