Omicron's transmissibility is driving calls for better masks. Should kids be wearing N95s, too?

In November, the Public Health Agency of Canada (PHAC) suggested that people may want to look at upgrading their masks to protect themselves and help prevent the transmission of COVID-19. 

“In general, while non-medical masks can help prevent the spread of COVID-19, medical masks and respirators provide better protection,” PHAC said on its COVID-19 mask information webpage.

Respirators (such as N95 and KN95 masks) are considered the highest level of mask protection and were previously recommended only for health-care workers coming into direct contact with infectious patients.

But the updated mask guidance has raised some questions as to whether children should be wearing respirators — especially given that so