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posted ago by LimeyCanuck ago by LimeyCanuck +26 / -1

This is anecdotal but I think it is an important question. My wife's sister-in-law just told her that her coworker was hospitalized with severe shortness of breath. They are required to wear a mask at all times on the job, and the doctor says she got pleurisy from rebreathing her own moisture for so long every day.