US health officials report rising cyclospora infections. People consumed contaminated iceberg lettuce. The parasite clings on the greens even after washing. Symptoms cover watery diarrhoea, stomach cramps plus exhaustion. Some cases continue weeks. New cases are popping up in multiple states. The CDC and FDA say toss any suspect lettuce now. Stay away from raw salads with iceberg lettuce for now. Restaurants must remove it from menus at once.