Health workers spread the word about the benefits of immunisation.
醫療工作者宣傳關於接種疫苗的好處。
The disease was stopped in its tracks by immunisation programmes.
免疫方案阻止了這種疾病的蔓延。
Health workers spread the word about the benefits of immunisation.
醫療工作者宣傳關於接種疫苗的好處。
The disease was stopped in its tracks by immunisation programmes.
免疫方案阻止了這種疾病的蔓延。
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