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.