File: Guide_How_to_Put_On_Use_Take_Off_and_Dispose_of_a_Mask_WHO.pdfUpdated date: 16-Apr-2020Doc Type: Prevention AdviceEmergency Name: Coronavirus Disease 2019 (COVID-19)Updated_Date: 16-Apr-2020Expired Date: 16-Apr-2020Prevention Categories: Preventive Materials - Mask & PPE