Five cyclosporiasis cases have been reported across Alaska since the first illness surfaced in May, prompting a statewide health alert to clinicians, labs and tribal health organizations.
Three Alaska patients had traveled internationally, one reported out-of-state travel and fast-food exposure, and one had not left Alaska, leaving officials unsure whether the cases are tied to the broader U.S. outbreak.
About 1,650 confirmed U.S. cases have been recorded since May, with roughly 5,100 more under review; no single food source has been officially identified, though the Washington Post said investigators linked lettuce supplied to Taco Bell.
None of Alaska's adult cases required hospitalization, versus nearly 10% nationwide, where severe dehydration can hit children, older adults and immunocompromised people hardest.
Health officials said infections usually peak from May to August and are often tied to contaminated fresh produce, urging thorough washing, avoiding kitchen cross-contamination and testing patients with prolonged or relapsing watery diarrhea.