| epidemiologic features of rotavirus infection in taiwan: a review. | group a rotaviruses are a major cause of severe gastroenteritis in children under 4 years of age worldwide. group a rotaviruses have been identified in many animal and bird species; they are antigenically complex, and multiple serotypes infect humans. reassortant rotavirus vaccines are now available that confer protection against severe illness due to rotavirus serotypes g1-4. before vaccines are introduced, it is necessary to establish their efficacy and to establish a baseline for future surve ... | 2000 | 10986879 |