Seroconversion rates following varying doses of purified inactivated EV71.

BALB/c mice were immunized with purified inactivated EV71 virus with Alhydrogel, at 28 days and 56 days post primary immunization. Seroconversion is defined as a neutralizing antibody titre of ≥128.采用搭载氢氧化铝佐剂（Alhydrogel）的纯化灭活肠道病毒71型（EV71）免疫BALB/c小鼠（BALB/c mice），分别于初次免疫后第28天与第56天开展免疫。血清阳转的判定标准为中和抗体效价≥128。