Does introducing an immunization package of services for migrant children improve the coverage, service quality and understanding? An evidence from an intervention study among 1548 migrant children in eastern China

• Yu HuZhejiang Center for Disease Control and Prevention
• Shuying Luo
• Xuewen TangZhejiang Center for Disease Control and Prevention
• Linqiao Lou
• Yaping ChenZhejiang Center for Disease Control and Prevention
• Jìng GuoZhejiang Center for Disease Control and Prevention
• Bing ZhangZhejiang Center for Disease Control and Prevention