Marler Clark filed a lawsuit Tuesday on behalf of Patricia and Asa Wasden, the parents of Ian Wasden, a two-year-old boy who suffered from Hemolytic Uremic Syndrome (HUS) after contracting E. coli O157:H7 last June at Kid’s Korner daycare in Joplin.

“After the first child attending Kid’s Korner tested positive for E. coli, the

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