Norovirus is circulating across Iowa. While individual cases of norovirus are not required by law to be reported to public health, public health is hearing from individuals and the healthcare community that norovirus illnesses have increased in recent weeks. IDPH, SHL and local public health partners have investigated multiple norovirus outbreaks throughout the state; most were associated with long term care facilities.

Although outbreaks occur throughout the year, norovirus outbreaks tend to peak during winter months. Norovirus is the most common cause of infectious diarrhea and vomiting in the U.S. and worldwide. Norovirus is extremely infectious and can be spread via direct contact with an infected individual, but also via contaminated surfaces or food.

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