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Outbreak Type: 
Enteric
Symptoms: 
Sudden onset of watery, non-bloody diarrhea, vomiting, abdominal cramps, and nausea.
Headache, low-grade fever, chills and malaise may also be present.
Symptoms usually last 24 to 72 hours.
Mode of Transmission: 
Fecal-oral route through direct and indirect contact.
May also be spread through aerosolized vomitus.
Incubation: 
12 to 48 hours
Period of Communicability: 
From onset of symptoms until 48 to 72 hours after symptoms resolve.
Can be as long as 3 weeks after symptoms resolve.
Diagnosis: 
Stool specimen.
Precautions: 
Droplet/Contact Precautions - hand hygiene, gloves, gown, protective eyewear, mask