The CDC has confirmed 1,645 cyclosporiasis cases in the U.S. across 34 states, though it has said it is aware of over 5,000 cases that require testing to confirm them as domestic cyclosporiasis.

Cyclosporiasis, a parasitic illness that causes explosive diarrhea, is still surging throughout the country. As of Tuesday, there have been 1,645 confirmed cyclosporiasis cases…

Cyclosporiasis cases are rising across the US. Here's everything you need to know about symptoms, spread, treatment, prevention and the latest outbreak.