Safety, Three Batches Consistency and Immunity Duration of the Post-marketing Inactivated Enterovirus Type 71 (EV71) Vaccine in Children Aged 6-71 Months
Conditions
- Hand Foot and Mouth Disease
Interventions
- BIOLOGICAL: the first batch vaccine
- BIOLOGICAL: the second batch vaccine
- BIOLOGICAL: the third batch vaccine
Sponsor
Beijing Chaoyang District Centre for Disease Control and Prevention