unvaccinated
ワクチン接種を受けていない
解説 Definition
ワクチンの接種を受けていない状態の人や動物を表す。
If someone is unvaccinated, they have not received a vaccine for a particular disease. This word is often used in medical, public health, and news contexts. It can describe a person, group, or animal.
覚え方のコツ Memory Tip
まず vaccinated を知っていると楽です。vaccine（ワクチン）→ vaccinate（接種する）→ vaccinated（接種した）の流れが見えれば、頭の un- が付いて正反対の「未接種」だとすぐ取れます。-ed は「その状態になっている」という形容詞の合図。be vaccinated / remain unvaccinated の形でよく出ます。anti-vaccine のような立場の語ではなく、単に接種状況を述べる語だと整理すると混同しにくいです。
Start from the family: vaccine -> vaccinate -> vaccinated. Then add the common opposite prefix un-, and you get the reverse state right away. The ending -ed often shows a finished state, so compare phrases like be vaccinated and remain unvaccinated.
例文
Unvaccinated children were not allowed to attend the school during the outbreak.
ワクチン未接種の子供たちは流行中に登校を許可されなかった。
The risk of infection is significantly higher for unvaccinated individuals.
ワクチン未接種の人は感染リスクが大幅に高い。
Several unvaccinated travelers were denied entry at the border.
ワクチン未接種の旅行者数名が国境で入国を拒否された。
unvaccinated の類義語・関連語
unvaccinated の語源・成り立ち Etymology
un-（否定）+ vaccinate + -ed。vaccinate はラテン語 vacca「雌牛」由来で、牛痘 vaccine にちなむため、「未接種」が文字通り見える。関連語は vaccine, vaccination。
Unvaccinated is formed from un-, vaccinate, and -ed. Vaccinate comes from vaccine, which goes back to Latin vacca, meaning "cow," because the first vaccine was based on cowpox. The word later broadened from that specific history to mean giving protective treatment against disease, so unvaccinated means not having received it. Related words include vaccine and vaccination.
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