Micro Biologists Siddharth Dalvi said the N95 and a disposable surgical mask may be used only once or twice. But he said that the N95 mask is better equipped to block viruses, as they had three layers of fiber fabric. He said that the mask was known as the N95, because it could block 95 percent of all particles.
src: TOI
Dr. Khushrav BAJAN, intensive care support, Hinduja Hospital, said: "The N95 mask is the only masks that provide protection from influenza virus. The RS 15 surgical masks are so bad that your handkerchief and must be changed every four hours.
Even then there is no protection against the flu. "
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