Syphilis Outbreak Response and Case Counts - Minnesota Dept. of Health

Syphilis Outbreak Response and Case Counts

Minnesota is currently experiencing a syphilis outbreak in the Duluth area. Case counts specific to each outbreak can be found below. Minnesota syphilis case counts by county shows the incidence of new syphilis cases compared to previous years.

Partners can use or adapt these resources and tools for syphilis outbreak prevention and response in Minnesota.

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The table below has three columns representing the current year and two comparison years. The 2022 column shows new syphilis diagnoses reported to MDH by the year to date shown (YTD). The 2019, 2020, and 2021 columns show total cases of syphilis for each calendar year. 2020 data is now available. For the most recent complete year of data available, review Minnesota's STD Statistics.

As of May 31, 2022:

MN County Syphilis Diagnoses 2019 Syphilis Diagnoses 2020* Syphilis YTD 2021 Syphilis YTD 2022**
Aitkin 2 2 0 1
Anoka 40 42 48 36
Becker 11 13 12 7
Beltrami 92 90 65 29
Benton 11 3 4 2
Big Stone 0 1 0 0
Blue Earth 9 17 7 3
Brown 0 0 2 0
Carlton 3 3 8 3
Carver 3 8 9 0
Cass 35 16 26 8
Chippewa 0 0 0 0
Chisago 1 3 2 1
Clay 8 12 7 5
Clearwater 7 4 4 1
Cook 0 0 0 0
Cottonwood 2 0 0 2
Crow Wing 5 3 9 3
Dakota 57 46 52 31
Dodge 0 0 0 1
Douglas 0 0 4 0
Faribault 1 2 3 1
Fillmore 0 1 0 0
Freeborn 0 3 2 0
Goodhue 3 5 2 1
Grant 1 0 0 0
Hennepin 504 488 649 300
Houston 1 0 0 0
Hubbard 1 3 5 2
Isanti 1 1 9 1
Itasca 5 10 9 9
Jackson 0 0 1 0
Kanabec 0 1 1 0
Kandiyohi 2 1 3 0
Kittson 0 0 0 1
Koochiching 1 0 1 0
Lac Qui Parle 0 0 0 1
Lake 0 1 1 0
Lake of the Woods 0 0 0 0
Le Sueur 4 1 3 1
Lincoln 0 0 2 0
Lyon 1 0 1 1
Mahnomen 2 6 10 3
Marshall 2 2 0 0
Martin 1 1 3 2
McLeod 3 2 9 1
Meeker 2 1 0 0
Mille Lacs 5 4 3 4
Morrison 0 1 4 1
Mower 5 4 4 6
Murray 0 0 0 0
Nicollet 3 1 1 0
Nobles 6 1 3 1
Norman 0 0 1 0
Olmsted 16 10 19 5
Otter Tail 4 6 6 3
Pennington 5 0 0 2
Pine 3 2 4 1
Pipestone 0 1 1 0
Polk 2 2 1 1
Pope 2 1 0 0
Ramsey 143 137 224 103
Red Lake 0 4 0 0
Redwood 0 1 1 0
Renville 1 2 1 1
Rice 4 2 11 2
Rock 1 0 0 1
Roseau 0 1 5 0
Scott 17 19 28 12
Sherburne 4 8 17 5
Sibley 2 2 3 0
St. Louis 12 28 60 26
Stearns 12 22 29 18
Steele 2 0 5 1
Stevens 0 0 1 0
Swift 0 0 0 0
Todd 0 3 6 2
Traverse 0 0 0 0
Wabasha 0 0 0 1
Wadena 0 1 1 0
Waseca 4 1 9 2
Washington 19 23 21 11
Watonwan 0 0 0 1
Wilkin 0 1 0 0
Winona 1 2 3 0
Wright 12 6 4 6
Yellow Medicine 1 0 0 0
Total 1,107 1,088 1,449 673

*2020 data is now available. For the most recent complete year of data available, review Minnesota's STD Statistics.
**Cases reported to MDH as of May 31, 2022, which includes cases from January 1 - May 31, 2022 (YTD). By county table does not include congenital syphilis cases.

Minnesota congenital syphilis (CS) cases* 2019-2022.

  CS Diagnoses 2019 CS Diagnoses 2020** CS Diagnoses YTD 2021 CS Diagnoses YTD 2022***
Total congenital cases 21 7 15 5

*Congenital syphilis (CS) is a disease that occurs when a mother with syphilis passes the infection on to her baby during pregnancy. For more information about the CS case defining criteria, visit CDC: Syphilis (Treponema pallidum) Case Definitions.

**2020 data is now available. For the most recent complete year of data available, review Minnesota's STD Statistics.

***Cases reported to MDH from January 1 - May 31, 2022 (YTD).

An outbreak has been declared among any reported primary, secondary, early latent, and congenital syphilis cases. These cases were diagnosed after September 1, 2019 residing in the Duluth area* at time of diagnosis or reported cases of syphilis that is epidemiologically linked to cases that are part of the outbreak.

*Duluth area is the 30-mile radius around the city of Duluth.

As of June 21, 2022
Data are preliminary and may change as reports are received.

Affected county Counts
Carlton 7
Lake 2
Saint Louis 75

Action steps for providers include:

Updated Wednesday, 22-Jun-2022 08:56:25 CDT