TOM LEE / STUFF
Two patients from the Tokoroa hospital have a confirmed diagnosis of a highly contagious virus (photo from the file).
The hospital in Tokoroa is closed to everyone except for emergencies due to an error that causes vomiting and diarrhea.
A norovirus outbreak began in the hospital ward on Saturday, but the Waikato County Health Council said it was convinced that the virus could be quickly mastered.
Two patients have a confirmed diagnosis of persistent virus.
Three other patients and two staff members also showed symptoms, said the Board of Health's statement.
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There are eight patients in the stationary ward who were closed on general admission on Tuesday morning.
"We're working … to stop the epidemic by isolating patients with symptoms and infection control measures, such as strict hand hygiene for all patients, guests and staff."
Norovirus is highly contagious, according to the Ministry of Health information sheet.
"Both faeces and vomiting are contagious, and the virus can survive on contaminated surfaces even after cleaning with some disinfectants."
People with noroviruses are infected for at least three days after the symptoms have gone away, he said.
Symptoms include: nausea, vomiting and diarrhea, stomach cramps, headache, low grade fever, chills and muscle aches.
Examples of how to spread Norovirus are air, touching contaminated surfaces and putting your fingers in your mouth or sharing food or food from the same plate or cutlery.