[The question about the demographics is suspect until we know if the reason old folks succumbed was due to their comorbidities which is likely but there is also some element of infected people were sent back to their bed at the home which, I suspect, is going to be an effect that is more than trivial. Remember, it appears that a sizable # of the deaths are IN the homes in the NYC area where this return to your old bed policy was in place.]
Nursing homes are medically rough places. Very hard to have hospital standards of hygiene in a nursing home.