(EXETER, N.H.) -- A hospital in Exeter, New Hampshire, was partially evacuated Friday after mysterious complaints of nausea and lightheadedness, officials said.
The incident occurred at Exeter Hospital around 11:15 a.m. ET. Nineteen staff members were sickened in the operating room. Fire crews were dispatched, and both the operating room and emergency room areas were evacuated and closed, according to a hospital spokesperson.
The rest of the hospital is safe, the spokesperson said.
The operating room staff members were medically evaluated and 12 were transported to nearby hospitals. But everyone is doing well, the spokesperson said.
Six patients were removed from the emergency room as a precaution, the spokesperson added.
Investigators are working to determine the cause of the mysterious symptoms.
The Exeter Police Department urged residents and local fire departments via Twitter to not bring new patients to Exeter Hospital due to the evacuation.
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