In this section
- NNDSS Fortnightly summary notes - 2021
- Fortnight 26: 20 December 2021 to 02 January 2022
- Fortnight 25: 06 December to 19 December 2021
- Fortnight 24: 22 November to 05 December 2021
- Fortnight 23: 08 November to 21 November 2021
- Fortnight 22: 25 October to 07 November 2021
- Fortnight 21: 11 October to 24 October 2021
- Fortnight 20: 27 September to 10 October 2021
- Fortnight 19: 13 September to 26 September 2021
- Fortnight 18: 30 August to 12 September 2021
- Fortnight 17: 16 August to 29 August 2021
- Fortnight 16: 02 August to 15 August 2021
- Fortnight 15: 19 July to 01 August 2021
- Fortnight 14: 05 July to 18 July 2021
- Fortnight 13: 21 June to 04 July 2021
- Fortnight 12: 07 June to 20 June 2021
- Fortnight 11: 24 May to 06 June 2021
- Fortnight 10: 10 May to 23 May 2021
- Fortnight 09: 26 April to 09 May 2021
- Fortnight 08: 12 April to 25 April 2021
- Fortnight 07: 29 March to 11 April 2021
- Fortnight 06: 15 March to 28 March 2021
- Fortnight 05: 01 March to 14 March 2021
- Fortnight 04: 15 February to 28 February 2021
- Fortnight 03: 01 February to 14 February 2021
- Fortnight 02: 18 January to 31 January 2021
- Fortnight 01: 04 January to 17 January 2021