Are N95 masks necessary against Omicron? Which face mask offers the best protection against Covid-19, and slows the infection to others?
As the highly transmissible Omicron variant is set to become the dominant Covid-19 variant globally, some experts have called for the public to wear well fitted face respirators such as N95 masks amid concerns that the commonly used cloth and surgical masks might not offer enough protection. N95 masks are usually used by health care workers in high-risk environments or...
Source: asiaone.com
