Never thought of you as an anti-masker, hope it didn’t come across that way. You have legitimate questions, no issue with that. There was a report on the effectiveness of masks, solid face shields and the plastic barriers in stores here in BC in January, IIRC.
Ideally yes, we’d all have N95 masks, and learn how to use them properly. The plastic shields were shown to not be helpful, unless the building has a good ventilation system the cycles the air quickly.
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