Recently, according tomedia reports, the University of Texas Southwestern Medical Center, a study showed that medical surgical masks and N95 masks in the prevention of influenza or other viral respiratory diseases in the effect of no significant difference. The study was conducted at several medical facilities in seven U.S. cities, including Houston, Washington, D.C., and New York.
The researchers collected data for four flu seasons from 2011 to 2015 and investigated the incidence of influenza and acute respiratory diseases among nearly 2,400 health care workers.
The report showed that 207 people who used N95 masks had flu infections, while 193 people who used medical surgical masks had flu infections.
In addition, 2,734 cases of influenza-like symptoms, laboratory-confirmed respiratory diseases and acute or laboratory-detected respiratory infections occurred in the N95 mask group, and 3,039 cases in the medical surgical mask group.
In the event of an outbreak of influenza or other respiratory diseases, the CDC generally recommends N95 masks as a defense, but The N95 mask is more cumbersome in terms of supplies. In addition, because N95 masks are more uncomfortable than medical masks, people may be less alert when wearing N95 masks.