Researchers conducted a retrospective record review including all children ≤60 months of age presenting to study hospitals with suspected or clinical acute gastroenteritis between 2012 and 2018. During the study, 109,605 children ≤60 months of age were admitted to pediatric out-patient clinics and pediatric emergency room, of which 15,501 were diagnosed with AGE. The incidence of RV-positive AGE decreased from 4.47 per 1,000 children in 2012 to 2.48 per 1,000 in 2018. A total of 4,805 children were hospitalized with RV-positive AGE, a decrease from 1.9 per 1,000 children in 2012 to 0,45 per 1,000 in 2018. The LOS of RV-positive AGE was 2.47 ± 1.15 days compared to LOS of RV-negative AGE 1.59 ± 1.17 days. The overall cost of RV-positive AGE was higher than that for RV-negative AGE cases. Vaccine effectiveness against any possibility of RV-positive AGE was 75,1%. Despite the low level of vaccine coverage, the introduction of RV vaccination had a positive impact on the incidence of RV-positive AGE and related hospitalizations in young children.