#vaccination

一项由加州大学河滨分校牵头、覆盖10家美国急诊科、共2,459名患者的研究发现，人们对 MMR 疫苗接种状况普遍不确定，错误信息持续存在，且与医疗可及性和人口特征相关的差异十分明显。

最新引用的数据表明，阿勒格尼县约三分之一的幼儿园教室已经不再具备麻疹群体免疫，这凸显出当地疫苗接种率下降如何压缩安全边际。

孟加拉国正在开展麻疹-风疹紧急接种，官员们试图控制一场在不到一个月内已造成100多名儿童死亡的疫情。

A new report warns that even a 1% annual decline in MMR vaccination rates could trigger 17,000 measles cases, 4,000 hospitalizations, and 36 preventable deaths each year in the U.S.

Maryland has reported 26 mumps cases in the first two months of 2026, compared to just four cases for all of 2025. Most infections are concentrated in the Baltimore metropolitan area, and the majority of affected individuals had been vaccinated.