After RV1 was licensed as a 2-dose series for use among US infants in April 2008, ACIP updated its rotavirus vaccine recommendations in June 2008 to include use of RV1.是什么意思_After RV1 was licensed as a 2-dose series for use among US infants in April 2008, ACIP updated its rotavirus vaccine recommendations in June 2008 to include use of RV1.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句