Early vaccination helps prevent severe diarrhea and dehydration in infants
Rotavirus is a highly contagious virus that causes diarrhea, fever, and vomiting—often leading to severe dehydration. It is one of the most common causes of serious diarrhea in infants and young children.
The virus can live on surfaces for months and spreads easily when contaminated hands, toys, or objects touch the mouth. Because dehydration can happen quickly in infants, some children with rotavirus require hospitalization.
Vaccination provides strong protection during the early months of life when children are most vulnerable.
At Marshfield Clinic, our Pediatric and Family Medicine providers include rotavirus vaccination as part of routine infant care.
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Symptoms
Rotavirus infection may cause:
- Diarrhea
- Vomiting
- Fever
- Stomach pain
- Irritability or fussiness
- Signs of dehydration (dry mouth, fewer wet diapers, lethargy)
Seek care promptly if your baby shows signs of dehydration.
Possible complications
Rotavirus can lead to:
- Severe dehydration
- Hospitalization
- Electrolyte imbalances
- Rare long-term digestive issues
Vaccination helps prevent the most severe forms of the illness.
Who's most at risk?
Rotavirus most often affects:
- Infants and young children
- Babies in group childcare settings
- Children who are unvaccinated or behind on routine vaccines
Vaccine recommendations
All children should receive two or three doses of the rotavirus vaccine (depending on the vaccine brand), starting at 2 months of age.
The vaccine is given orally and must be completed within a set age range. Your provider will guide you through the timing.
How Marshfield Clinic supports you
Our team helps families:
- Follow the recommended infant vaccine schedule
- Watch for signs of dehydration
- Receive clear guidance during well child visits
- Feel confident in caring for their newborn or infant
Frequently asked questions
Can rotavirus live on surfaces?
Yes. The virus can survive for months, which is why it spreads easily among young children.
Is the rotavirus vaccine safe?
Yes. It has been thoroughly studied, and most side effects are mild—such as brief fussiness or mild diarrhea.