Since 2010 there has emerged a shortage of migrant workers in Yangtze River delta, Pearl River delta and other interior ......

目的了解外来务工人员乙型肝炎(以下简称乙肝)疫苗接种率及影响因素、相关知识知晓率及态度,为重点人群的健康教育策略提供依据。......