Public health officials state an outbreak of cyclosporiasis sickened at least 1,700 people.
The illness is caused by a parasite.
More than 800 cases came from food like produce.
Symptoms last a while.
Some patients suffer from severe diarrhea.
At least 32 states recorded cases.
New Hampshire reports two sick people.
Exact food source has not been identified.
People catch it from bad food or water.
No common source is known yet.