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Table 2 Policies and guidelines on masks and respirators use by health care workers (HCWs)

From: Availability, consistency and evidence-base of policies and guidelines on the use of mask and respirator to protect hospital health care workers: a global analysis

Organization/country Seasonal influenza Pandemic influenza SARS TB
Low risk High risk Low risk High risk Low risk High risk Low risk High risk
WHO [14, 30] Mask (Medical mask) Respirators (N95) Mask (Medical mask) Respirators (P2/3, FFP2/3, N95/99/100) Mask (Medical mask) Respirators (N95) Respirators (N95, FFP2) Respirators (N95, FFP2)
CDC, [15, 21, 24, 31] Mask (Facemasks) Respirators (N95) or equivalent respirator (e.g., PAPR, elastomeric) Respirators (N95) Respirators (N95 or higher respirators) Respirators (N95) Respirators (N95 or higher, elastomeric or PAPR) Respirators (N95) Respirators (N95 or preferably PAPR)
UK [16, 22, 25, 34] Mask (Surgical mask) Respirators (FFP3) Mask (Surgical mask) Respirators (FFP3) Respirators (FFP3), PAPR use is discouraged Respirators (FFP3), PAPR use is discouraged Not recommended Respirators (FFP3)
Canada [13, 20, 26, 32] Mask (Surgical or procedure mask) Mask (Surgical or procedure mask) Mask Respirators (N95) Respirators (N95), PAPR use is discouraged Respirators (N95), PAPR use is discouraged Respirators (N95) Respirators (N95)
Australia [4, 17, 27] Mask (Surgical mask) Respirators (P2 or N95) Mask (Surgical mask) Respirators (P2 or PAPR) Respirators (P2 or N95) Respirators (PAPR) Respirators (P2, N95) Respirators (P2, N95)
China [10, 11, 33] Guidelines not located Guidelines not located Mask (Surgical or medical mask) Respirators Mask (Medical mask) Respirators Respirators (N95) Respirators (N95)
India [18, 35] Mask (Surgical mask) Respirators (N95) Mask (Surgical mask) Respirators (N95) Guidelines not located Guidelines not located Not recommended Respirators (N95 or FFP2)
Indonesia [39] Guidelines not located Guidelines not located Not discussed in pandemic plan Not discussed in pandemic plan Guidelines not located Guidelines not located Guidelines not located Guidelines not located
Pakistan [19, 28, 36] Mask (Medical mask) Respirators (N95, FFP2) Mask (Medical mask) Respirators (N95, FFP2) Respirator (N95 or P2) Respirator (N95 or P2) Not recommended Respirators (N95 or FFP2)
Bangladesh [37, 40] Guidelines not located Guidelines not located Not discussed in pandemic plan Not discussed in pandemic plan Guidelines not located Guidelines not located Not recommended Respirators (N95 or FFP2)
Vietnam [12, 29, 38, 41] Mask (Facemask) Mask (Facemask) Appropriate selection between masks and respirators Appropriate selection between masks and respirators Respirator (N95) Respirator (N95) Not recommended Respirators (N95)