
好词典

源自拉丁语 'vaccinus'(与牛有关的),因最早的天花疫苗来自牛痘病毒(cowpox)。
❶ 疫苗,一种用于预防疾病的生物制剂,通过刺激免疫系统产生抗体来对抗特定病原体。
“Vaccines have saved millions of lives by preventing deadly diseases.”
(疫苗通过预防致命疾病拯救了数百万人的生命。)
“Children receive several vaccines during their first few years of life.”
(儿童在出生后的头几年会接种多种疫苗。)
vaccine schedule — 疫苗接种时间表,指按照特定年龄或时间段安排接种不同疫苗的计划。
“Parents should follow the recommended vaccine schedule for their babies.”
(家长应按照建议的疫苗接种时间表为婴儿接种疫苗。)
vaccine hesitancy — 疫苗犹豫,指人们对接种疫苗持怀疑或犹豫态度的现象。
“Public health campaigns aim to reduce vaccine hesitancy through education.”
(公共卫生运动旨在通过教育减少疫苗犹豫现象。)