![Ministers know which masks provide the best Covid protection – why not tell the UK public? | Claire Horwell | The Guardian Ministers know which masks provide the best Covid protection – why not tell the UK public? | Claire Horwell | The Guardian](https://i.guim.co.uk/img/media/534022941cf7d464fcf68c97aff7063269f9e843/0_26_3500_2100/master/3500.jpg?width=465&dpr=1&s=none)
Ministers know which masks provide the best Covid protection – why not tell the UK public? | Claire Horwell | The Guardian
![Mask Mandates Have Kept One Cancer Center Free From COVID-19. Others Have Lifted Masking Requirements Despite Patient Concerns - Cancer Therapy Advisor Mask Mandates Have Kept One Cancer Center Free From COVID-19. Others Have Lifted Masking Requirements Despite Patient Concerns - Cancer Therapy Advisor](https://www.cancertherapyadvisor.com/wp-content/uploads/sites/12/2023/08/older-man-wearing-n95-mask_G_1257850122.jpg)
Mask Mandates Have Kept One Cancer Center Free From COVID-19. Others Have Lifted Masking Requirements Despite Patient Concerns - Cancer Therapy Advisor
![UF Health anesthesiology team devises respirator mask made from existing hospital materials - UF Health UF Health anesthesiology team devises respirator mask made from existing hospital materials - UF Health](https://ufhealth.org/assets/images/stories/_640x426_crop_center-center_line/mask-prototypes.jpg)
UF Health anesthesiology team devises respirator mask made from existing hospital materials - UF Health
![DHS prevents millions of counterfeit N95 masks from reaching hospital workers, first responders | ICE DHS prevents millions of counterfeit N95 masks from reaching hospital workers, first responders | ICE](https://www.ice.gov/sites/default/files/images/news/210217-4.jpg)