People across the US are falling sick due to a stomach infection called cyclospora. It is caused by a parasite called Cyclospora cayetanensis. This outbreak has affected many US states, with highest cases in Michigan and Ohio. Health officials think it likely that the contaminated lettuce or salad greens may be the main cause. More than 4,000 people have been infected in 31 states. People are wondering Which foods are safe to eat?
