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0 20 40 120 Number of Cases 60 60 80 100 Jan-17 Feb-17 Mar-17 Apr-17 May-17 Jun-17 Jul-17 Aug-17 Sep-17 Oct-17 Nov-17 Dec-17 Jan-18 Primary (n=1245) Late Latent (n=280) 140 Feb-18 Mar-18 160 180 200 Epidemic Curve: Infectious, Late Latent, and Unstaged Females of Child-bearing Years (15-45), 2017-2022 Infectious syphilis, late latent and unstaged cases in females of child-bearing ages (15-45 years), Saskatchewan, January 2017 - December 2022 (n = 3430) Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18 Oct-18 Nov-18 Dec-18 Jan-19 Feb-19 Mar-19 *PHAC Date (month and year) used, confirmed cases only **2022 is subjected to change - data as of February 1st, 2023 ~ Unknown/blank refers to syphilis cases with unknown or blank information captured under staging information Apr-19 May-19 Jun-19 Jul-19 Aug-19 Secondary (n=538) Unknown/Blank (n=456) Sep-19 Oct-19 Nov-19 Dec-19 Jan-20 Dates 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-22 Jul-22 Aug-22 Sep-22 Oct-22 Nov-22 Dec-22 Early Latent (n=900) All Infectious syphilis (n=5581) Early neurosyphilis (n=11) + Saskatchewan Health Authority

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