“May we all avoid explosive diarrhea, lettuce spray,” one social media user joked about the cyclosporiasis outbreak.

The intestinal illness that causes explosive diarrhea is extra prominent this summer.

Centers for Disease Control and Prevention says they are scouring food supply chain for culprit, which may be lettuce

From the daily newsletter: a parasite that causes diarrhea is sending people to the hospital across the country. What can we do to stay safe?

Official case counts likely capture only a fraction of US cyclosporiasis infections, and the outbreak is likely to get worse before it gets better.

Nearly 7,000 cases of cyclosporiasis are either confirmed or under investigation in the US - the source is still unknown.

There are telltale signs you need to watch out for.

Why fresh produce is the perfect vehicle for a parasite that needs a week to mature, and what the US outbreak tells us about its spread.

It took weeks for the CDC to issue a health advisory over the growing number of cyclosporiasis cases.

Cases have hit record levels, and scientists are racing to pinpoint where the Cyclospora parasite entered the food supply.

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GI doctors are trying to dodge cyclosporiasis, too.

“May we all avoid explosive diarrhea, lettuce spray,” one social media user joked about the cyclosporiasis outbreak.

Forbes expert healthcare contributors explain the growing cyclosporiasis outbreak, how the parasite spreads, symptoms to watch for and how you can protect yourself.