Number of participants with adverse events after first vaccination 28 days after the first vaccination [clinicaltrials_resource:ee1af8c6dcbba255d1c8198567260c1c]

To evaluate the adverse events of EV71 vaccine in healthy children and infants after first vaccination

Number of participants with adverse events after first vaccination 28 days after the first vaccination [clinicaltrials_resource:ee1af8c6dcbba255d1c8198567260c1c]

To evaluate the adverse events of EV71 vaccine in healthy children and infants after first vaccination