Number of participants with adverse events after first vaccination 28 days after the first vaccination [clinicaltrials_resource:3fd33bd1c186a0ee498e88ef86940d7a]

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:3fd33bd1c186a0ee498e88ef86940d7a]

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