The delta variant of the coronavirus that causes COVID-19 is more transmissible than previous forms of the virus, and has helped spur an increase in cases, including in children. But a chiropractor in a Facebook video wrongly claims that “it is not showing more of a problem.” That’s one of several misleading and false claims he makes about COVID-19.
A growing body of evidence supports the use of masks to slow the spread of COVID-19. But the effectiveness of masks is now being challenged again. Here we summarize some of our work over the past 16 months, based on categories of misinformation about masking.
In a viral video, an Indiana physician baselessly claimed that the COVID-19 vaccines, which have been shown to be safe and effective, “fight the virus wrong and let the virus become worse than it would with native infection.” He also incorrectly said no vaccine prevents infection and contended that people previously infected with COVID-19 do not benefit from vaccination, despite studies that suggest otherwise.
Citing new data on the delta variant, the Centers for Disease Control and Prevention recommended that fully vaccinated people wear face masks indoors in some parts of the country.
Managing Editor Lori Robertson discussed several of our recent SciCheck articles on the public radio show “Conversations on Health Care.”
Thousands of pages of redacted emails to and from Dr. Anthony Fauci are now publicly available, thanks to journalists’ Freedom of Information Act requests. Some of those messages have been distorted in viral posts, particularly about face masks, the origins of the coronavirus and the effectiveness of hydroxychloroquine.
Stanford Medicine says it “strongly supports the use of face masks to control the spread of COVID-19.” Yet viral stories falsely claim a “Stanford study” showed that face masks are unsafe and ineffective against COVID-19. The paper is a hypothesis, not a study, from someone with no current affiliation with Stanford. Update: The paper was retracted.
All of the authorized COVID-19 vaccines are effective at preventing symptomatic disease. Yet Fox News host Tucker Carlson baselessly casts doubt on the effectiveness of the vaccines, because federal officials urge fully vaccinated people to wear masks in public settings.
A study from the Centers for Disease Control and Prevention found that state-issued mask mandates were associated with significant decreases in daily COVID-19 case and death growth rates. Yet some conservative outlets and social media users falsely claim the study shows mask mandates have a negligible impact on COVID-19 outcomes.
In this video, SciCheck reviews a case study of how misinformation spreads online.