自己隔離する、自己隔離に入る

go into self-isolation
go into self isolation
フレーズ

Britain’s prime minster, Boris Johnson, has made his second appearance since going into self isolation last week after testing positive for coronavirus, saying in a message posted on Twitter that some 20,000 former NHS staff have returned to help battle the virus.
https://www.theguardian.com/world/live/2020/mar/30...

動詞でself-isolateとしても意味はほぼ同じだが、《go into＋名詞》の形で《動作》性がよりはっきりする。
cf) bite / take a bite, look / have a look, etc