Summary
Rotavirus cases have increased across the US recently, especially affecting young children. The virus causes severe diarrhea and vomiting, which can lead to dehydration and require hospitalization. The CDC recommends vaccination as the best way to protect children.
Key Facts
- Positive rotavirus tests rose from about 6% to just over 7% recently.
- Rotavirus mainly infects children under 5 but can also affect older people with weak immune systems.
- Symptoms include watery diarrhea, vomiting, fever, stomach pain, and signs of dehydration.
- The virus spreads through contact with stool-contaminated hands, surfaces, or food.
- Handwashing helps reduce spread but does not fully stop it.
- The rotavirus vaccine protects 85-98% against severe illness and hospitalization.
- Each year in the US, rotavirus causes tens of thousands of hospital visits and up to 60 deaths in young children.
- Cases usually peak in April and then decline through May and summer.
