So paranoid QF management them. wouldn't be surprised they are getting most everything wrong lately.
I did ask you some time ago where is the proof wearing a mask on a plane prevents infection. General advice such as the CDC won't be accepted as they have no reasonable studies to back that statement.
As I have said on a few occasions and posted the link many times there was a Danish study comparing wearing a mask with not wearing a mask on close contacts quarantined with a known covid case. The results were inconclusive but the best scenario for masks was that they may prevent 1-2% of infections. The reverse outcome was equally as likely.
And as I have pointed out there are people out there who don't like others wearing masks such as the hearing impaired.
Here is an old study from Hong Kong where people preferred to see a doctor who didn't wear a mask. the incidence in Hong Kong of mask wearing was high as they suffered a lot with the original SARs and the Swine flu.
Background There is limited evidence to support the use of facemasks in preventing infection for primary care professionals. Negative effects on communication has been suggested when the physician wears a facemask. As communication skills and doctor patient relationship are essential to primary...
bmcprimcare.biomedcentral.com