Noroviruses
from class: Microbiology Definition Noroviruses are highly contagious viruses that cause acute gastroenteritis, leading to inflammation of the stomach and intestines. They are a leading cause of foodborne illness globally.
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Predict what's on your test 5 Must Know Facts For Your Next Test Noroviruses are responsible for approximately 50% of all gastroenteritis outbreaks worldwide. Symptoms typically include severe vomiting, diarrhea, abdominal pain, and nausea, usually lasting 24-72 hours. Transmission primarily occurs through the fecal-oral route, contaminated food or water, and person-to-person contact. Norovirus particles can remain infectious on surfaces for days to weeks, making sanitation critical in outbreak control. There is no specific antiviral treatment for norovirus; management focuses on hydration and supportive care. Review Questions What is the primary mode of transmission for noroviruses? How long do symptoms of norovirus infection typically last? What measures are most effective in controlling the spread of noroviruses?
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