Thursday, March 05, 2026
Help stop the spread of norovirus throughout the community
Public Health Sudbury & Districts is advising residents of increased reports of gastrointestinal illness (stomach illness) in child care centres, long-term care homes, and other community settings. This increase is likely due to norovirus, a highly contagious virus that spreads easily and can have serious impacts on people who are more vulnerable, including young children, older adults, and those with underlying health conditions.
“Handwashing with soap and water is the single most effective way to stop the spread of norovirus. Shared spaces and commonly touched surfaces should also be cleaned and disinfected regularly,” said Jonathan Groulx, a manager in Public Health’s Health Protection division. “These simple actions help protect those most at risk, especially in child care and shared living settings.”
Symptoms of norovirus
Norovirus symptoms usually start suddenly and often involve repeated vomiting and diarrhea. Symptoms typically last one to two days. Norovirus does not cause cold or flu like symptoms, such as cough, runny nose, sore throat, or difficulty breathing.
Most people become sick 24 to 48 hours after being exposed. Even after symptoms have stopped, people can still spread the virus. Anyone experiencing vomiting or diarrhea should stay home until they have been symptom-free for at least 48 hours. This is a key step in preventing its spread, especially to people who may become very ill.
How norovirus spreads
Norovirus is found in the vomit and stool (feces) of people who are sick. It spreads most often through unwashed hands, when the virus is passed from hands to mouth or to food. Norovirus can also spread through shared items and hard surfaces.
Prevent the spread of illness
- Wash your hands well with soap and water, especially after using the bathroom and before eating or preparing food.
- Stay home if you are sick and wait at least 48 hours after symptoms stop before returning to work, school, or child care.
- Do not prepare or handle food for others if you are sick.
- Clean and disinfect shared spaces and commonly touched surfaces regularly. This includes door handles, bathroom fixtures, tables, toys, and other items that are touched often.
- Avoid visiting hospitals or long term care homes if you have symptoms.
Learn more about norovirus and the importance of handwashing by visiting phsd.ca or calling Public Health at 705.522.9200, ext. 464 (toll-free 1.866.522.9200).
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