PUT-IN-BAY, Ohio - A mysterious illness on Lake Erie's South Bass Island has sickened dozens of tourists and residents, baffling health officials who are searching for a connection. In the past two weeks, the Ottawa County Health Department has documented 78 cases and is investigating more than 90 other claims, said Director Nancy Osborn. "We're still looking for the link," Osborn said. The Ohio Environmental Protection Agency (news - web sites) has ordered a winery and a bar to stop using their septic systems after finding wells at the sites tested positive for E. coli, said spokeswoman Dina Pierce. She...