A young swimmer floats on her back at Optimist Pool in Raleigh in June. Wake County officials are urging public pools in the county to treat their water with extra high levels of chlorine to combat a gastro-intestinal disease caused by micro-parasites.
A young swimmer floats on her back at Optimist Pool in Raleigh in June. Wake County officials are urging public pools in the county to treat their water with extra high levels of chlorine to combat a gastro-intestinal disease caused by micro-parasites. Chuck Liddy cliddy@newsobserver.com
A young swimmer floats on her back at Optimist Pool in Raleigh in June. Wake County officials are urging public pools in the county to treat their water with extra high levels of chlorine to combat a gastro-intestinal disease caused by micro-parasites. Chuck Liddy cliddy@newsobserver.com