疾控中心就疫苗和自闭症、麻疹爆发和对疫苗犹豫不决等问题展开研究。 CDC launches study on vaccines and autism, amid measles outbreak and concerns over vaccine hesitancy.

疾控中心计划进行一项大型研究,调查疫苗和自闭症之间可能存在的联系,尽管现有研究表明没有关联。 The CDC plans a large study to investigate potential links between vaccines and autism, despite existing research showing no connection. 这一行动是在大规模爆发麻疹之后采取的,有200多例病例和两人死亡,与低疫苗接种率有关。 This move follows a significant measles outbreak with over 200 cases and two deaths, linked to low vaccination rates. 卫生官员担心该研究可能助长疫苗犹豫不决,卫生秘书罗伯特·肯尼迪(Robert F. Kennedy Jr.)对疫苗安全提出疑问,他的参与仍然不明确。 Health officials are concerned that the study may fuel vaccine hesitancy, and the involvement of Health Secretary Robert F. Kennedy Jr., who has questioned vaccine safety, remains unclear.