A nationwide cyclospora outbreak linked to contaminated iceberg lettuce from Mexico has sickened more than 11,000 people, raising renewed concerns about the safety of fresh produce. Experts say contamination can occur through polluted water or poor sanitation — and although farmers have adopted stricter food safety practices, recent cuts to federal food safety programs and delays in new traceability rules have made outbreaks more difficult to detect and trace. #cyclospora #food #foodsafety #lettuce #produce