Notes from the Field: Escherichia coli O157:H7 Outbreak in Children with Clostridioides difficile Colonization Associated with an Improperly Treated Swimming Pool - Pennsylvania, June 2021
MMWR Morb Mortal Wkly Rep. 2022 May 20;71(20):690-691.
doi: 10.15585/mmwr.mm7120a4.