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0 50 Jan-17 Feb-17 Mar-17 Apr-17 May-17 Jun-17 Jul-17 Aug-17 Sep-17 Oct-17 Primary (n=2842) Late latent (n=567) 100 Nov-17 Dec-17 Jan-18 Feb-18 *PHAC Date (month and year) used, confirmed cases only **2022 is subjected to change - data as of February 1st, 2023 Number of Cases Mar-19 Apr-18 May-18 Jun-18 150 Jul-18 200 250 Aug-18 Sep-18 Oct-18 Nov-18 Dec-18 Jan-19 Feb-19 Mar-19 Apr-19 May-19 Jun-19 Jul-19 Aug-19 Sep-19 Oct-19 300 Epidemic curve: All Syphilis by Stage, 2017 – 2022 All syphilis cases by stage, Saskatchewan, January 2017 to December 2022 (n = 7042) Dec-19 ■Secondary (n=1050) ■Late neurosyphilis (n=6) Dates Early Latent (n=1650) ■Early neuro syphilis (n=39) Tertiary other than neurosyphilis (n=5) Early congenital (n=56) Unknown/Blank (n=819) ■Syphilitic stillbirth (n=8) Jan-20 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20 Jan-21 Feb-21 Mar-21 Apr-21 May-21 Jun-21 Jul-21 Aug-21 Sep-21 Oct-21 NOV-21 Dec-21 Jan-22 Feb-22 Mar-22 Apr-22 May-22 + Jun-2.2 Jul-22 Aug-22 Sep-22 Oct-22 Nov-22 Dec-22 Saskatchewan Health Authority

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