CD Surveillance - September 2023

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Saint Louis County Department of Public Health - Division of Communicable Disease Prevention

Summary Surveillance CDP Monthly Report (September 2023) Report Date: October 2, 2023

Notes on the data: This report includes confirmed and probable cases; suspect cases are not included. These data are provisional as of 10/2/2023.

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The year-to-date numbers of reported cases of several enteric illnesses are slightly higher when compared with the median of the previous five years. Notably, cases of shigellosis (22 vs. 12 cases, an 83% increase) and E. coli shiga toxin (non O157) (26 vs. 19 cases, a 37% increase) are higher when compared with the year-to-date median of the past five years.

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Please note that year-to-year trends in West Nile virus disease can be misleading given the overall low numbers, as well as the fact that it is common to see notable annual variation.

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Three thousand, two hundred, and seventy-four cases of COVID-19 were reported to Saint Louis County Department of Public Health (DPH) in September 2023. This is a 7% increase from the 3,068 cases reported in August 2023.

For more information on COVID-19, please visit our website at:

https://stlouiscountymo.gov/st-louis-county-departments/public-health/covid-19/covid-19-data-reports/

For more information on sexually transmitted infections (STIs), please visit our website at:

https://stlouiscountymo.gov/st-louis-county-departments/public-health/health-data-and-statistics/communicable-disease-reports/sexually-transmitted-infections/

If you need to reach us at any time outside of normal business hours, please note the following:

ToreportapublichealthemergencyinSaintLouisCounty: During normal business hours - Monday thru Friday 8:00 a.m. - 5:00 p.m. Call Saint Louis County DPH at (314) 615-1630.

At all other times: call (314) 615-7677 or fax (314) 615-7643.

ToreportanySaintLouisareaHazardousMaterialconcern: Call 911.

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Saint Louis County Department of Public Health - Division of Communicable Disease Prevention

Summary Surveillance CDP Monthly Report (September 2023) Report Date: October 2, 2023

*Includes reported and/or managed TB cases

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Current Historic %Change Enteric Campylobacteriosis 82 86 -5% 13 15 11 Cryptosporidiosis 20 20 0% 3 3 2 Cyclosporiasis 22 19 16% 16 2 0 E. coli O157:H7 4 3 33% 1 1 0 E. coli shiga toxin + (non O157) (not serogrouped) 26 19 37% 4 5 4 Giardiasis 22 21 5% 4 3 5 HepatitisA acute 4 4 0% 0 1 0 Salmonellosis 105 96 9% 8 17 12 Shiga toxin positive (Unk. organism) 0 0 N/A 0 0 0 Shigellosis 22 12 83% 3 5 3 Vibriosis 5 3 67% 0 3 0 Yersiniosis 16 6 167% 2 0 4 328 54 55 41 Respiratory COVID-19 20652 25113 -18% 905 3068 3274 Legionellosis 15 21 -29% 0 5 1 Pertussis 5 30 -83% 0 1 3 20672 905 3074 3278 Vector Borne Anaplasma phagocytophilum 0 0 N/A 0 0 0 Dengue fever 0 0 N/A 0 0 0 Ehrlichiosis 35 27 30% 9 2 3 Lyme 7 2 250% 2 0 0 Malaria 2 2 0% 1 1 0 Q fever 0 0 N/A 0 0 0 Rocky Mountain spotted fever 2 6 -67% 0 1 0 Tularemia 0 0 N/A 0 0 0 West Nile, neuroinvasive 6 1 500% 0 4 2 West Nile, non neuroinvasive 0 0 N/A 0 0 0 Zika 0 0 N/A 0 0 0 52 12 8 5 Systemic Haemophilusinfluenzae, invasive 17 9 89% 2 1 2 HepatitisB acute 2 4 -50% 0 0 1 HepatitisC acute 2 6 -67% 1 0 0 HepatitisC chronic 200 269 -26% 16 29 16 Listeriosis 0 2 -100% 0 0 0 Meningococcal disease 0 1 -100% 0 0 0 Mpox 2 0 N/A 0 1 0 Mumps 0 1 -100% 0 0 0 Staph aureus, VISA 0 5 -100% 0 0 0 Strep Pneumoniae, invasive 40 39 3% 2 3 4 Toxic shock (strep or staph) syndrome 2 0 N/A 0 0 1 Systemic Totals 265 21 34 24 Mycobacterial NontuberculousMycobacteria (NTM) 90 105 -14% 6 11 5 TB disease* 8 14 -43% 0 1 0 TB infection 212 361 -41% 26 27 20 Mycobacterial Totals 310 32 39 25 Vector Borne Totals Monthly Totals September Respiratory Totals Year to date 2023 Enteric Totals Median of 5 previousyears (2018-2022) YTD totals from current YTD totalsto historic 5 year median August July

Respiratory Disease:

Saint Louis County Department of Public Health - Division of Communicable Disease Prevention

Summary Surveillance CDP Monthly Report (September 2023) Report Date: October 2, 2023

PERTUSSIS: There were three new cases of Pertussis reported in September 2023 During the previous five years, the median number of cases has ranged from zero to seven per month.

Acute Gastrointestinal Diseases:

SHIGELLA: There were three new cases of Shigella reported in September 2023. During the previous five years, the median number of cases has ranged from one to two per month.

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0 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 9 10 11 12 Number of cases Month of Report Saint Louis County Pertussis Cases 2023,2022, and Previous 5-Year Median By Month of Report 5-year Median 2022 2023
0 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 10 11 12 Number of cases Month of Report Saint Louis County Shigella Cases 2023,2022, and Previous 5-Year Median By Month of Report 5-year Median 2022 2023

Saint Louis County Department of Public Health - Division of Communicable Disease Prevention

Summary Surveillance CDP Monthly Report (September 2023)

SALMONELLA: There were 12 new cases of Salmonella reported in September 2023 During the previous five years, the median number of cases has ranged from five to 15 per month.

Report Date: October 2, 2023

CAMPYLOBACTER: There were 11 new cases of Campylobacter reported in September 2023. During the previous five years, the median number of cases has ranged from five to 12 per month.

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0 5 10 15 20 25 30 1 2 3 4 5 6 7 8 9 10 11 12 Number of cases Month of Report
Louis County Salmonella Cases 2023,2022, and Previous 5-Year Median By Month of Report 5-year Median 2022 2023
Saint
0 2 4 6 8 10 12 14 16 18 20 1 2 3 4 5 6 7 8 9 10 11 12 Number of cases Month of Report Saint Louis County Campylobacter Cases 2023,2022, and Previous 5-Year Median By Month of Report 5-year Median 2022 2023

Saint Louis County Department of Public Health - Division of Communicable Disease Prevention

Summary Surveillance CDP Monthly Report (September 2023) Report Date: October 2, 2023

CRYPTOSPORIDIOSIS: There were two new cases of Cryptosporidium reported in September 2023 During the previous five years, the median number of cases has ranged from zero to five per month.

E. COLI O157:H7: There were zero new cases of E. coli O157:H7 reported in September 2023. During the previous five years, the median number of cases has ranged from zero to one per month.

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0 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 Number of cases Month of Report Saint Louis County Cryptosporidium Cases 2023,2022, and Previous 5-Year Median By Month of Report 5-year Median 2022 2023
0 1 2 1 2 3 4 5 6 7 8 9 10 11 12 Number of cases Month of Report Saint Louis County E. coli O157:H7 Cases 2023,2022, and Previous 5-Year Median By Month of Report 5-year Median 2022 2023

Saint Louis County Department of Public Health - Division of Communicable Disease Prevention

Summary Surveillance CDP Monthly Report (September 2023)

Report Date: October 2, 2023

E. COLI SHIGA TOXIN (non O157:H7): There were four new cases of E. coli Shiga Toxin (non 0157:H7) reported in September 2023 During the previous five years, the median number of cases has ranged from one to five per month.

GIARDIA: There were five new cases of Giardia reported in September 2023. During the previous five years, the median number of cases has ranged from one to three per month.

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0 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 10 11 12 Number of cases Month of Report Saint Louis County E. coli Shiga Toxin (non O157:H7) Cases 2023,2022, and Previous 5-Year Median By Month of Report 5-year Median 2022 2023
0 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 Number of cases Month of Report Saint Louis County Giardia Cases 2023,2022, and Previous 5-Year Median By Month of Report 5-year Median 2022 2023
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