Norovirus is not a new virus; it was previously known as Norwalk virus. It has a short incubation period, typically around 12 to 48 hours. In the past, outbreaks were not commonly seen in Thailand due to good hygiene practices in schools. However, there have been some outbreaks in childcare centers, among older children, and in primary and secondary schools. Once infected, norovirus can cause symptoms like diarrhea. Regular disinfectants or alcohol-based sanitizers are not effective against norovirus. The best prevention method is to wash hands thoroughly with soap and water for an extended period.
Six main symptoms to watch for:
- Severe nausea and vomiting
- Diarrhea
- Abdominal pain
- Headache
- Fever
- Fatigue and body aches
Treatment When infected with norovirus, symptoms such as vomiting, mild fever, abdominal pain, and diarrhea can occur. Most people recover on their own. However, it is recommended that parents or teachers bring affected children to see a doctor, as some cases may lead to dehydration, requiring IV fluids or hospitalization for at least 2 to 3 days for monitoring.
