Yes, Sue, Jonathan, agree. I usually carry one so I can wear it if I'm likely to come into close proximity with others for a while - still keeping 2 metres minimum! The spread of the virus by droplets seems to be a function of distance, space, airflow (wind or aircon). Just have to be careful not to adjust one's mask after touching any surfaces ... If only it had the decency to follow the inverse square rule ...
Michael Ixer ● 2138d