Federal health officials said they've identified a new outbreak of the cyclospora parasite, but the source hasn't been specified.

Federal health officials have been investigating five different clusters of cyclosporiasis cases since the start of parasite season in May, the FDA said on Monday.

Some US states are facing a large and growing outbreak of diarrhea caused by cyclospora, a microscopic parasite that can contaminate fresh food or water.

Infections caused by the parasite have led to more than 300 hospitalizations since May