Final answer:
Rotavirus can cause severe dehydration, a life-threatening condition in infants.
Step-by-step explanation:
Rotavirus can cause a life-threatening condition in infants called severe dehydration. Infected individuals exhibit symptoms such as fever, vomiting, and diarrhea. Without supportive treatment, the illness can lead to severe fluid loss, dehydration, and even death. It is important to provide supportive treatment and ensure proper hydration to prevent these complications.