Here "face mask" means the common surgical face mask ubiquitous in operating rooms,
and "respirator" does not refer to anything like a gas mask,
but in fact the humble masks "meeting FFP2/3 standards in the UK or N95 in the US".
In other words,
the kinds of masks that everyone wanting to protect themselves and others from COVID transmission have been wearing for six years now.
Here "face mask" means the common surgical face mask ubiquitous in operating rooms, and "respirator" does not refer to anything like a gas mask, but in fact the humble masks "meeting FFP2/3 standards in the UK or N95 in the US".
In other words, the kinds of masks that everyone wanting to protect themselves and others from COVID transmission have been wearing for six years now.