Panel recommends health care workers wear N95 respirators for H1N1 patients . The CDC says the masks are not recommended because they can be easily contaminated with flu virus and other airborne particles that could cause respiratory problems. The institute was asked specifically to evaluate personal protective equipment designed to guard against respiratory infection , and therefore the committee focused on the efficacy of medical masks and respirators . They filter out at least 95 percent of particles as small as 0.3 micrometers . Report says it is not known to what extent flu viruses spread through the air .
Panel recommends health care workers wear N95 respirators for H1N1 patients . The CDC says the masks are not recommended because they can be easily contaminated with flu virus and other airborne particles that could cause respiratory problems. They filter out at least 95 percent of particles as small as 0.3 micrometers . Report says it is not known to what extent flu viruses spread through the air .