noun ダウンロード 🔗共有 集団免疫 The indirect protection against the spread of a contagious disease in a given population caused by the immunity of a significant proportion of the population to that particular disease; the immunity may have been obtained through having survived the infection or through vaccination. Examples : "Vaccination programs aim to establish herd immunities so that even those who cannot be vaccinated are protected from diseases like measles. " 予防接種プログラムは、予防接種を受けられない人々でさえ、はしかのような病気から保護されるように、集団免疫を確立することを目指しています。 medicine virus disease biology organism AIとチャット語彙ゲーム読解練習