Long-term effectiveness of pentavalent and monovalent rotavirus vaccines against hospitalization in Taiwan children.

Background: Two rotavirus vaccines (RV1 and RV5) are available on the private market in Taiwan, not included in national immunization program. Scanty reports evaluated the rotavirus vaccine effectiveness (VE) in Asian countries.

Methods: From February 2014-July 2017, we conducted a prospective case-control study in ten hospitals in Taiwan.