Last December, the Food and Drug Administration authorized the first vaccine proven to prevent severe illness and death from COVID-19. Less than a month later, supporters of now-former President Donald Trump stormed the U.S. Capitol in an attempt to disrupt the certification of the 2020 election.
In 2021, those two events became the basisfor a torrent of misinformation in Americans' social media feeds.
Vaccine skeptics promoted false and unproven claims about shots from Pfizer-BioNTech, Moderna and Johnson & Johnson, alleging they were ineffective and potentially more harmful than COVID-19 itself.
Revisionist takes on the outcome of the 2020 presidential election, boosted in part by supporters of the baseless QAnon conspiracy theory, found a home on platforms like Facebook and Twitter.
Months after the attack on the Capitol, misinformation about the riot – including false claims that the FBI or anti-fascist activists were behind the violence – continue to circulate online.
USA TODAY has fact-checked dozens of claims about COVID-19 and the aftermath of the presidential election. Here's a roundup of some of the most pervasive misinformation narratives we saw in 2021.
Claims about COVID-19, vaccines
The year started with a breakthrough: a vaccine that's highly effective at preventing severe illness and death from COVID-19. Today, more than 200 million Americans have been inoculated.
But online, some have doubted the safety and efficacy of the shot since the beginning.
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