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A Project of The Annenberg Public Policy Center

Video Misrepresents the Science Behind Face Masks

Video Misrepresents the Science Behind Face Masks

A viral video misrepresents scientific papers and the reasons for wearing face masks to claim that they are ineffective in mitigating transmission of COVID-19. The Centers for Disease Control and Prevention has said that masks may help prevent the spread of the disease.

‘Face Mask Exempt Card’ Isn’t Legitimate

‘Face Mask Exempt Card’ Isn’t Legitimate

A “face mask exempt card” shared on social media invokes the Americans with Disabilities Act and claims to excuse people from wearing face masks. But the group behind the card — “Freedom to Breathe Agency” — is not a government agency, and federal officials say the ADA “does not provide a blanket exemption” from requirements to wear masks.

Meme Misconstrues Efficacy of Face Masks in Spread of COVID-19

Meme Misconstrues Efficacy of Face Masks in Spread of COVID-19

A meme suggesting that face masks are useless against COVID-19 has been circulating online. But the Centers for Disease Control and Prevention recommends wearing a face covering in public since the virus is transmitted mostly through droplets produced when people cough, sneeze and talk.

Video Presents Flawed Test on Masks, Oxygen Levels

Video Presents Flawed Test on Masks, Oxygen Levels

A viral video questions the safety of face masks by using a gas detector to purportedly show that masks result in dangerous oxygen levels for the wearer. But experts — and the company that makes the gas detector — say the video’s test is scientifically flawed.

Mailbag: Face Masks

A reader sent us a comment about our article on the research behind face masks and whether people who aren’t sick should use them to limit the spread of COVID-19.

COVID-19 Face Mask Advice, Explained

COVID-19 Face Mask Advice, Explained

Conflicting — and shifting — guidance on whether members of the public should wear face masks to combat COVID-19 has led to confusion about whether people should cover their faces when leaving their homes. We explain the evidence.