Did So-Called ‘Stanford, NIH Study’ Really Show Face Masks Are Ineffective Against Covid-19?

Some on social media are claiming that a “Stanford” or “NIH” study has shown that face masks are ineffective and even harmful. Stanford Medicine has emphasized that this was not a "Stanford study."
Source: Forbes.com Healthcare News - Category: Pharmaceuticals Authors: Tags: Healthcare /healthcare Innovation /innovation Science /science business pharma Source Type: news