Falling Vaccination Rates Threaten Herd Immunity:
标签： 疫苗接种率下降
疫苗接种率下降和研究削减威胁长期公共卫生
Vaccination Slumps and Research Cuts Threaten Long
疫苗接种率下降导致全球麻疹病例激增
Falling Vaccination Rates Brings Spikes in Measles
Falling Vaccination Rates Threaten Herd Immunity:
Vaccination Slumps and Research Cuts Threaten Long
Falling Vaccination Rates Brings Spikes in Measles