In this section
- NNDSS Fortnightly summary notes - 2020
- Fortnight 26: 21 December to 03 January 2021
- Fortnight 25: 07 December to 20 December 2020
- Fortnight 24: 23 November to 06 December 2020
- Fortnight 23: 09 November to 22 November 2020
- Fortnight 22: 26 October to 08 November 2020
- Fortnight 21: 10 October to 25 October 2020
- Fortnight 20: 26 September to 09 October 2020
- Fortnight 19: 12 September to 25 September 2020
- Fortnight 18: 29 August to 11 September 2020
- Fortnight 17: 15 August to 28 August 2020
- Fortnight 16: 01 August to 14 August 2020
- Fortnight 15: 18 July to 31 July 2020
- Fortnight 14: 04 July to 17 July 2020
- Fortnight 13: 20 June to 03 July 2020
- Fortnight 12: 06 June to 19 June 2020
- Fortnight 11: 23 May to 05 June 2020
- Fortnight 10: 09 May to 22 May 2020
- Fortnight 09: 25 April to 08 May 2020
- Fortnight 08: 11 April to 24 April 2020
- Fortnight 07: 28 March to 10 April 2020
- Fortnight 06: 14 March to 27 March 2020
- Fortnight 05: 29 February to 13 March 2020
- Fortnight 04: 15 February to 28 February 2020
- Fortnight 03: 01 February to 14 February 2020
- Fortnight 02: 18 January to 31 January 2020
- Fortnight 01: 01 January to 17 January 2020