Walmart pulls lettuce linked to cyclospora outbreakColumbus DispatchWalmart stores in 27 states sold Taylor Farms-supplied lettuce being removed for a potential link to a cyclosporiasis outbreak. Seven U.S. aid workers quarantined in Kenya during Ebola responseWashington PostThe seven workers did not have symptoms, according to the aid group Samaritan’s Purse, but they are required to quarantine for 21 days under new travel restrictions.