be off the danger list
To have recovered from a serious illness. Primarily heard in UK. Uncle Harry is officially off the danger list! The doctors are releasing him from the hospital tonight. I'm definitely off the danger list and feeling much better these days. A: "Whoa, he had sepsis during his hospital stay?" B: "Yeah, he's really lucky to be off the danger list now."
be on the danger list
To be so sick that one may die. Primarily heard in UK. Uncle Harry is still on the danger list, so we're going to visit him in the hospital tonight. Oh man, if she has sepsis, then she's on the danger list for sure. When you're on the danger list for weeks, it really puts the petty issues of day-to-day life in perspective.
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