Molecular characteristics of Staphylococcus aureus isolated from employees, children, and environmental surfaces in Iowa child daycare facilities

American Journal of Infection Control
E D MoritzT C Smith

Abstract

Infectious agents have the potential to thrive in child daycare facilities. Asymptomatic Staphylococcus aureus carriage is a risk factor for developing infection and contributes to transmission. We collected swabs from 110 employees, 111 unexposed adults, 81 children, and 214 environmental surfaces at 11 Iowa daycare facilities. S aureus isolates were characterized using antibiotic resistance profiles and Staphylococcal protein A typing. Staphylococcal protein A types were grouped into cluster complexes using the Based Upon Repeat Pattern algorithm. All isolates (from 38 employees, 37 unexposed adults, 16 children, and 19 surfaces) were characterized. Daycare employees were more likely to carry erythromycin-resistant S aureus than unexposed adults (odds ratio, 3.7; 95% confidence interval, 1.1-12.7; P = .033). Isolates were genetically heterogeneous, although isolates from employees appeared more clonal than those from unexposed adults. Strains associated with ST8 were identified in 5 daycare facilities and 3 unexposed adults. S aureus isolates collected from employees, children, and surfaces of daycare facilities are genetically heterogeneous, but contain strains associated with community-associated methicillin-resistant S aur...Continue Reading

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Citations

Jul 15, 2015·Journal of Infection and Public Health·Dipendra ThapaliyaTara C Smith
May 11, 2018·The Pediatric Infectious Disease Journal·Dipendra ThapaliyaTara C Smith
Oct 28, 2019·Environmental Science and Pollution Research International·Anna KozajdaAgnieszka Kapsa
Aug 16, 2019·Sports Medicine - Open·Jamie E DeNizio, David A Hewitt
Oct 30, 2020·Pathogens and Global Health·Ziad W JaradatAnan Al Shara
Jun 16, 2021·Journal of the Pediatric Infectious Diseases Society·Emily GrohsLisa Saiman

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