Mysterious parasite outbreak sickens more than 1,100 people in 31 states
The United States is facing its largest cyclosporiasis outbreak in years. As of July 9, 2026, CDC has counted 843 domestically acquired cases in 31 states, as well as another 343 cases linked to travel outside the country, reported by 32 states. Combined, the number of confirmed infections now exceeds 1,100, and officials expect the