An opponent is your competition, whether it's a rival hockey team, or the other finalist in the chess tournament. Coaches tell you to never underestimate your opponent. Someone who competes or fights against you is your opponent. If you're arguing that chocolate ice cream is better than vanilla, the vanilla ice cream fan is your opponent. An opponent can also be someone who opposes, like an opponent of gun control laws.
Your child must get the first dose of rotavirus vaccine before 15 weeks of age, and the last by age 8 months. Rotavirus vaccine may safely be given at the same time as other vaccines. Almost all babies who get rotavirus vaccine will be protected from severe rotavirus diarrhea.
1 Oral rotavirus vaccination protects most young children against severe dehydrating rotavirus gastroenteritis that most commonly occurs between 3 and 35 months of age. 2  It does not provide lifetime protection. 3  Rotarix is a live, monovalent, human attenuated vaccine given in 2 doses (one course) at 2 and 4 months of age. In clinical trials vaccination reduced the rate of severe rotavirus gastroenteritis by 85% to 98%, and the rate of hospitalisation for gastroenteritis of any cause by 42% to 59%. 2  1,2. 3  Safety and efficacy of either vaccine has not been established in infants under 6 weeks of age.