Health Officials Investigating Increase in Cyclospora Infections — Physician’s First Watch

Medical News |
August 9, 2017

Health Officials Investigating Increase in Cyclospora Infections

By Amy Orciari Herman

Edited by David G. Fairchild, MD, MPH, and Lorenzo Di Francesco, MD, FACP, FHM

The CDC, FDA, and state and local health departments are investigating an increase in Cyclospora infections across the U.S. this summer.

As of August 2, some 206 cases had been reported to the CDC in people who became infected in the U.S. on May 1 or later. For the same period in 2016, just 88 cases were reported. The current infections have occurred in 27 states and resulted in 18 hospitalizations. There have been no deaths.

Investigation into the potential source (or sources) of these cases is ongoing. In the meantime, the CDC advises clinicians to do the following:

  • Consider cyclosporiasis in patients with relapsing-remitting or prolonged diarrhea.

  • Order testing specifically for Cyclospora, if indicated. Numerous stool specimens could be necessary because Cyclospora oocysts are sometimes shed at low levels and intermittently.

  • Report any cases to local health departments.

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