Rotavirus has been detected at high levels in wastewater across several California cities, prompting health officials to urge vaccination. - High concentrations found in Davis, Redwood City, San Jose, and Merced; moderate levels in Sacramento, Woodland, San Francisco, Palo Alto, Santa Cruz, and Sunnyvale.
- The virus causes severe diarrhea and vomiting, mainly in children under 5, and can lead to dehydration. - Vaccination is the best prevention; hygiene alone is not enough.
- No specific treatment exists; care focuses on hydration. Health officials stress the importance of vaccination to prevent severe illness.