Deadly E. coli outbreak linked to lettuce hit 15 states. The government chose to keep it secret / New method achieves first-ever imaging of pathogens on lettuce leaves in real-time / 1 person has died from an E. coli outbreak blamed on lettuce, UK health officials say / Resistant breeding lines for leafminer, corky root and downy mildew in lettuce / Tiny weevils are waging war on the invasive water lettuce plant choking South Africa's Vaal River / Study evaluates pink rib disorder tolerance in lettuce germplasm in humid subtropical environments