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Yes - that is what I noticed as well. The two populations have different levels of expertise re: dealing with airborne infectious diseases; different frequencie
by npsomaratna 7y ago
Yes - that is what I noticed as well. The two populations have different levels of expertise re: dealing with airborne infectious diseases; different frequencies of hand-washing; and no masks vs. masks. There are just too many confounding factors here to draw a conclusion (in isolation) re: mask effectiveness.
Edit: in addition, the departments used to dealing with airborne infectious disease may have had specialized protocols and policies that the other departments did not have.
- boulos 7y agoI do think that on a personal level, it was probably just more hand washing, the masks to prevent droplets and so on (that is, both groups could have done so, but the infectious disease experts are more likely to do so with every interaction). However, one part of your comment stood out to me: the infectious disease units also have higher HVAC standards than say regular areas (e.g., https://www.hfmmagazine.com/articles/3246-studying-airflow-in-the-or https://www.hfmmagazine.com/articles/3246-studying-airflow-i...).