They did, in the US at least[0]. Just not for the saps who signaled any sort of loyalty to the company, those people got hosed. Nurses need to adopt the "f you pay me" attitude the hospital administration has, doing things like working without protective gear is a great way to tell your boss that you will accept anything he does to you.
[0]https://khn.org/news/highly-paid-traveling-nurses-fill-staff...