Cyclosporiasis can ruin a summery picnic with explosive diarrhea and other food poisoning symptoms, according to the CDC. See the impacted states.

Deadly and destructive wildfires erupt in the US each year, burning millions of acres and destroying thousands of homes. CNN is tracking the trends.

A map of the US outbreak of cyclosporiasis, which can cause diarrhea, shows Michigan has the most known cases. Lettuce and bagged salad could be the culprits.

Cyclospora isn't the only public health crisis the U.S. is contending with in 2026. Measles, one of the world's most ...