Cyclospora in Maryland: Cases more than double since last week WBAL-TVCyclosporiasis Outbreak with Unknown Source Centers for Disease Control and Prevention | CDC (.gov)'Poop parasite' sickens hundreds statewide, Harnett County doctor warns of telltale symptoms WRALOpinion | How Worried Should You Be About Eating Lettuce? The New York TimesThe Explosive Diarrhea Outbreak Is About to Get Much Bigger WIRED