Event Title

Shigellosis in Michigan, 2012-2016

Location

Hager-Lubbers Exhibition Hall

Start Date

18-4-2017 3:30 PM

Description

PURPOSE: Shigellosis is a diarrheal disease caused by a group of bacteria called Shigella, and is a leading cause of morbidity and mortality worldwide. In the state of Michigan, Shigella is one of over 80 reportable diseases by pathogen, but a complete picture of the descriptive epidemiology of shigellosis remains unknown. SUBJECTS: This descriptive epidemiological study included 1949 confirmed and probable cases of shigellosis in Michigan collected in the Michigan Disease Surveillance System from January 1, 2012 to December 31, 2016. METHODS AND MATERIALS: Gender, age, race/ethnicity, and other factors potentially associated with high risk of transmission (e.g. food handlers and daycare attendees/staff) were measured to determine demographic distribution of shigellosis cases. Additionally, information on Shigella strain and serotype for S. flexneri and S. boydii was collected. Descriptive statistics and trend analyses were run. RESULTS: Among all shigellosis cases, 51.6% occurred in females and 48.4% in males. Median age of Shigella infections was 22 years, with 25% of the cases occurring in ages less than 7 years old. Many infections occurred in individuals identified as non-Hispanic white (40.5%), followed by non-Hispanic black (33.4%). Of cases with available data, 8.44% were in occupations that handled food, and 24.4% of cases traveled (32% foreign travel). Trend analysis indicates the incidence of Shigella has increased from 2012 to 2016. CONCLUSIONS: Given the increase in shigellosis cases in Michigan over the past few years, this project identifies statewide trends and provides the foundation for future surveillance and prevention efforts.

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Apr 18th, 3:30 PM

Shigellosis in Michigan, 2012-2016

Hager-Lubbers Exhibition Hall

PURPOSE: Shigellosis is a diarrheal disease caused by a group of bacteria called Shigella, and is a leading cause of morbidity and mortality worldwide. In the state of Michigan, Shigella is one of over 80 reportable diseases by pathogen, but a complete picture of the descriptive epidemiology of shigellosis remains unknown. SUBJECTS: This descriptive epidemiological study included 1949 confirmed and probable cases of shigellosis in Michigan collected in the Michigan Disease Surveillance System from January 1, 2012 to December 31, 2016. METHODS AND MATERIALS: Gender, age, race/ethnicity, and other factors potentially associated with high risk of transmission (e.g. food handlers and daycare attendees/staff) were measured to determine demographic distribution of shigellosis cases. Additionally, information on Shigella strain and serotype for S. flexneri and S. boydii was collected. Descriptive statistics and trend analyses were run. RESULTS: Among all shigellosis cases, 51.6% occurred in females and 48.4% in males. Median age of Shigella infections was 22 years, with 25% of the cases occurring in ages less than 7 years old. Many infections occurred in individuals identified as non-Hispanic white (40.5%), followed by non-Hispanic black (33.4%). Of cases with available data, 8.44% were in occupations that handled food, and 24.4% of cases traveled (32% foreign travel). Trend analysis indicates the incidence of Shigella has increased from 2012 to 2016. CONCLUSIONS: Given the increase in shigellosis cases in Michigan over the past few years, this project identifies statewide trends and provides the foundation for future surveillance and prevention efforts.