The Centers for Disease Control and Prevention hasn't yet found source of Elizabethkingia outbreak in Wisconsin, according to an article on the WBAY website.
The CDC said it “ruled out high-threat sources” including common medical products and tools and municipal water systems.
This is the first outbreak of Elizabethkingia anophelis the CDC investigated. It usually only sees 5 to 10 cases a year of any type of Elizabethkingia in each state, and rarely more than 2 cases at the same time.
There is no evidence of Elizabethkingia in the home or healthcare environments of 11 patients for whom the CDC has conducted extensive environmental sampling. Additional studies are pending.
Designing for Distraction: Benefits for Children, Families
Staffing and Consolidation Reshape Outpatient Facility Strategies
Adams Health Network Falls Victim to Phishing Attack
Ventilation and Filtering for Infection Control 
ChristianaCare Opens Aston Campus Neighborhood Hospital