Officals in Montgomery County, Pennsylvania have anounced that 3 individuals have been confirmed with cryptosporidium.    While public swimming pools are common source of cryptosporidium outbreaks, there is reportedly no evidence of such a connection here.   None of the ill individuals had public pool exposures.  Officials are still investigating to possible source of the cluster of illnesses.

Symptoms of cryptosporidium generally occur 2 to 10 days after exposure.  Symptoms include abdominal cramps, nausea, vomiting, fever, and dehydration.   The symptoms usually last 1 to 2 weeks, although they may last up to 4 weeks.  Persons with compromised immune system are at risk for more severe complications.