(NewsNation) — As the cyclospora outbreak continues to expand around the country, Dr. Robert Redfield is urging people to stay away from certain fruits and vegetables beyond lettuce. 15 states now linked to iceberg lettuce cyclospora outbreak, CDC saysRedfield, a former CDC director, told "Elizabeth Vargas Reports" that the parasite has also been found in blueberries, raspberries and snow peas. Be cautious of raw vegetables, fruit amid cyclospora outbreak: RedfieldThe doctor stated that caution should be exercised when consuming raw vegetables beyond bagged lettuce. Expanding on the vegetables, Redfield pointed out the parasite is "very hard to wash off." Cyclospora outbreak deaths raise alarm for people with underlying conditionsAdvertisement Advertisement"It's actually susceptible to an antibiotic we call Septra or Bactrim," he explained.