I've only quickly searched, and to be honest it's a bit thick with foreign terminology for me to quickly glean much from it, but seems like this might be the paper the top-level commenter referred to:

https://dx.doi.org/10.1128%2FJVI.02395-10

> I do find the point about no SARS [-CoV[-1]] vaccine compelling, however. Is that true?

Wikipedia says so, and just gives essentially the same advice as being given for SARS-CoV-2 (or any human-transmissible virus, I imagine).

https://en.wikipedia.org/wiki/Severe_acute_respiratory_syndr...