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Table 8 Masks and respirators for health care workers

From: Clinical review: Update of avian influenza A infections in humans

 

Surgical mask

N-95 respirator

N-95 cartridge mask

Powered air purifying respirator

Protection

Droplet

Aerosol

Aerosol

Aerosol

Disposable

Yes

Yes

Filter only

No

Fit testing

No

Yearly

Yearly

Yearly

Power source

No

No

No

Battery

Stockpiling

Yes

Yes

No

No

Cost

Very low

Low

High

Very high