No, I must make progress. I have been very generous with my time up until now.
However, anyone who has an age, health or disability reason for not wearing a face covering need not wear one, and they need not provide proof of their exemption. The Scientific Advisory Group for Emergencies has found that face coverings are likely to reduce transmission through all routes by partially reducing the emissions of and exposure to the full range of aerosols and droplets that carry the virus. This includes those that remain airborne and those that deposit on surfaces.