[DJlaysitup]

this is either treason or gross stupidity of the first order or both if the nurse isn’t lying

What it really probably is - is some contract worker answering the phone bank with some info on a piece of paper. When she said 99.5 they likely looked at the paper and it said 100.4 was when there was danger...so they just said "get aboard".

[Hieronymus]

Very possible—in which case the treason or stupidity lies with whoever decided to handle the situation in this manner.