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7/20/2026

Lettuce at Taco Bell in 5 states confirmed as a source of diarrhea-causing parasite
Associated Press
ATLANTA (AP) — Federal health officials have identified lettuce from Mexico served at Taco Bell locations across five U.S. states as a source of a widespread outbreak of diarrhea-causing parasite cyclospora.
 

  
The Best Genetic Risk Tools Don’t Work Equally for Everyone
New York Times
The National Institutes of Health recently announced a remarkable achievement: the world’s largest database of human genomes, a repository of information that the agency says will help usher in a new era in personalized medicine.