The Centers for Disease Control and Prevention (CDC) reports a significant rise in rotavirus cases across the United States, particularly affecting children under five years old. This seasonal virus, known for causing gastrointestinal infections, is spreading due to declining vaccination rates. Since January, monitoring data from WastewaterScan, a program by Stanford University and Emory University, indicates increasing levels of rotavirus in wastewater, suggesting higher infection rates in communities, especially in the West and Midwest. Symptoms of rotavirus include severe and watery diarrhea, vomiting, fever, and loss of appetite. These symptoms can lead to dehydration, a common complication that may require hospitalization. The virus spreads through contact with contaminated stool, and even vaccinated children can contract rotavirus multiple times. Experts advise that vaccination is the most effective way to protect against the virus, although good hygiene practices are also crucial.