Cyclosporiasis can cause watery diarrhea. A US map shows Michigan has the most known cases to date. Lettuce is one culprit.

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

Health officials are tracking new cases of cyclosporiasis, a foodborne infection that leads to severe gastrointestinal ...

Wondering why it smells like smoke outside? Canadian wildfires are impacting millions in Ontario, Minnesota, Toronto, New ...

US air quality map: A Code Purple alert for poor air quality has been declared in Philadelphia due to smoke from wildfires in ...

Cyclosporiasis cases are rising in 31 states. Health officials are still searching for the source of the outbreak.

Canadian wildfire smoke is impacting air quality across Michigan and Metro Detroit. See a map. Check your air quality index.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A nationwide study from the Urban Resilience AI Lab at Texas A&M ...

Take a look at this map to see where wildfire smoke is heaviest and air quality conditions are at their worst in the US.