Two things: 1) Without having access to the relevant data (and doubting that it is exists in the first place), I think it's reasonable to surmise that this par

Two things: 1) Without having access to the relevant data (and doubting that it is exists in the first place), I think it's reasonable to surmise that this particular group is more likely to either be in a vulnerable sub-population or to live in a multi-generational household than any other group of front-line medical workers. 2) Front-line medical workers have experienced adverse outcomes which have outpaced the risk based solely on their age and comorbidities. There has been widespread speculation (and some research) that this is due to a higher likelihood of receiving a higher initial dose of the virus.