A preliminary assessment found that these particles had “some potential to cause early lung toxicity in animals.”
The potential for humans, however, is unknown, and may “vary based on mask design.”
FILE – In this March 31, 2021, file photo, students at Wyandotte County High School wear masks as the walk through a hallway on the first day of in-person learning at the school in Kansas City, Kan. (AP Photo/Charlie Riedel, File) ((AP Photo/Charlie Riedel, File))
“Unless the manufacturers of these masks can provide substantial evidence to support the safe and effective use of graphene-coated masks, Health Canada considers the risk of these medical devices to be unacceptable,” Health Canada said.
Health Canada is continuing to study data and requested further information from manufacturers to better assess health risks.
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