How Effective Are Homemade Fabric Masks Against the Spread of Covid-19?

According to health portals like the Centres for Disease Control and Prevention (US) and the World Health Organisation, N-95 mask without a valve is the most effective in providing protection against the aerosols that are generated when a person speaks, coughs or sneezes.

from Top Lifestyle News- News18.com https://ift.tt/32Sv5NV