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Were I to think that a demographic such as young, healthy adults might have
"near immunity" to COVID-19, the Japanese that comes to my mind is **不死身**.

> 若くて、健康がようさそうなので、田中さんはCOVID-19に不死身でしょうか。

general context: "Everyone says not to do Y because X might happen. But you
want to express a brazen disregard for that advice. You want to express that
you could care less if X happens to you and/or, you consider it impossible X
could possibly happen to you (for whatever reason)."

> いや、私は不死身です。

Is that correct? What is the correct word that sounds natural in a
conversation?
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2020-03-19T21:11:00.417
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2020-03-19T21:39:53.450
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question
word-choice
Is 不死身 a possible adjective to use with regard to likely immunity to the COVID-19 virus?
不死身 is inappropriate because it means "immortal" rather than "immune". It
doesn't work even as a joke because ～に不死身だ is not a thing. (If someone is
"immortal only to one thing", doesn't that mean he is not immortal in the
first place?)

"To be immune to ～" is ～に免疫がある (lit. "have immunity against ～"), so you can
say 新型コロナウイルスに免疫がある. (Strictly speaking, COVID-19に免疫がある is incorrect because
COVID-19 [is a disease name](https://www.who.int/emergencies/diseases/novel-
coronavirus-2019/technical-guidance/naming-the-coronavirus-
disease-\(covid-2019\)-and-the-virus-that-causes-it), not a virus name.)
Alternatively you can say ～に耐性がある ("to be resistant to ～"). Whether they work
as serious statements or as sarcastic remarks completely depends on the
context.
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2020-03-19T21:39:53.450
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2020-03-19T21:39:53.450
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answer