What is the definition or description of: reaction to rotavirus vaccine?

Rotavirus vaccine: Rotavirus vaccine reaction- mild problems include temporary vomiting, diarrhea and irritability- serious problems occurring in 1 in 20,000 to 1 in 100,000 include intussuception- a blockage of the intestine. Rarely 1 in 1 million one can have an allergic reaction. More about rotavirus vaccine https://www.cdc.gov/vaccines/hcp/vis/vis-statements/rotavirus.html

Rotavirus vaccine: Rotavirus vaccines are administered to babies to prevent infection. rotavirus vaccines are licensed for infants in US. RotaTeq® (RV5) is given in 3 doses at 2 , 4 , & 6 months. Rotarix® (RV1) is given in 2 doses at 2 & 4 months. The 1st dose of either vaccine should be given before 15 weeks of age. Children should receive all doses before 8 months old. REF: https://www.cdc.gov/vaccines/vpd/