The report concluded that the remedy to the contamination problem with masks during surgery was to:
“Moreover, we recommend that surgeons should change the mask after each operation, especially those beyond 2 hours. Double-layered SMs or those with excellent filtration function may also be a better alternative.”
Problem solved!
keep talking and you may eventually convince yourself you are not convincing anyone else. masks, particularly as used by the general public, are worthless in preventing the spread of covid
Now think about covid mask hygiene.