File: Guide_How_to_Wear_a_Medical_Mask_Safely_WHO_MMR.PNGUpdated date: 23-Jul-2020Doc Type: Prevention AdviceEmergency Name: Coronavirus Disease 2019 (COVID-19)Updated_Date: 23-Jul-2020Expired Date: 23-Jul-2020Prevention Categories: Preventive Materials - Mask & PPE