A parasite outbreak has prompted changes in shopping habits. Consumers are seeking alternative sources for produce, such as farmers markets. The outbreak is linked to contaminated lettuce from a company in central Mexico.

Cases of the outbreak have been reported across 20 states. A recall of affected products has been issued, but the number of cases continues to rise.

Further information about the outbreak and its impact on consumer habits is available from the source, including details about the recall and efforts to contain the outbreak.