articleThe Brief The Center for Disease Control and Prevention has added four additional states to the link of U.S. states that have been impacted by the outbreak of cyclosporiasis. The report states that the patients likely may have become ill around the same time as those from the initial reporting of the impacted states. The Center for Disease Control and Prevention has added four additional states to the link of U.S. states that have been impacted by the outbreak of cyclosporiasis traced to iceberg lettuce from central Mexico. RELATED: CDC: Cyclosporiasis outbreak grows to 4,100 cases, 7,500 more unconfirmedThe CDC urged doctors to start testing for cyclospora to make sure people are treated properly. With the publicity that has been generated by the recent outbreak of cyclospora, experts say more people are likely seeking out testing.