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?

A fast-spreading stomach parasite has sickened thousands of people across more than 30 US states.

Cyclospora, a parasitic infection that can cause weeks of severe diarrhea, is spreading in the U.S. Here's what to know about the disease, and how to stay safe.

A man in New York City contracted the diarrhea parasite cyclospora, and suspects a lunch bowl with chopped lettuce was the cause.

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?

CDC investigates a Cyclospora outbreak across 34 US states. Learn the symptoms, source, affected states, treatment and prevention steps.

Over 3,000 people in more than 30 US states have contracted cyclosporiasis, linked to the Cyclospora parasite found in fresh produce. | Health

The US CDC is investigating thousands of possible cases across 34 states, as officials track down the source of the outbreak.

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.

There are telltale signs you need to watch out for.

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

A recent outbreak of cyclosporiasis—a foodborne illness contracted from eating contaminated food, typically fresh produce—has impacted at least 34 states nationwide.

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

Gastroenterologist Dr Salhab warns of cyclospora symptoms like diarrhea starting two to seven days post-infection, emphasising hydration and medical advice. | Health

Cyclospora cases are rising across the US. Here's what to know about symptoms, spread, treatment and prevention.