WHO Chief: Masks alone will not protect against coronavirus

In its new guidance, prompted by evidence from studies conducted in recent weeks, the WHO stressed that face masks were only one of a range of tools that can reduce the risk of viral transmission, and should not give a false sense of protection.But the WHO's director-general Tedros Adhanom Ghebreyesus warned "masks on their own will not protect you from COVID-19.''While some countries and U.S. states have recommended or mandated the wearing of face coverings in public, the WHO had previously sai