Face masks can help to reduce transmission of respiratory viruses such as influenza, according to experts and medical ...

Three years after the pandemic began, there's still no scientific consensus on how much protection masks offer. Laboratory studies are clear that masks – especially N95s and KN95s – decrease the ...

NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we may earn a commission. Learn more. Fewer people wear face masks than during the Covid-19 ...

NHS leaders are encouraging people with flu symptoms to mask up in public. Does the science support this advice?