Radiation is an "effective and established" tool to sterilize personal protective equipment (PPE) that is in high demand during the COVID-19 pandemic, except for respiratory face masks as it weakens their filters, the International Atomic Energy Agency (IAEA) said yesterday.

The IAEA has reviewed findings from five institutions that tested the use of ionizing radiation - gamma and electron beams - to sterilize used respiratory masks, such as models N95 and FFP2 commonly worn by medical personnel.

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