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A Project of The Annenberg Public Policy Center
SciCheck’s COVID-19/Vaccination Project

What do we know about the origins of SARS-CoV-2?

The exact origin of SARS-CoV-2, the virus that causes the disease COVID-19, remains unknown. Many scientists think that the virus likely originated in bats and then jumped to humans either directly or indirectly, through contact with an animal. Such zoonotic transfers have happened before with the coronaviruses responsible for SARS and MERS.

A paper published in Science in July 2022 analyzed the available evidence and implicated the wildlife trade and the Huanan Seafood Wholesale Market in Wuhan,

What treatments are available for COVID-19?

There are no cures for COVID-19, but an increasing number of evidence-based treatments have been identified. Some of these have emergency use authorization, rather than full approval, from the Food and Drug Administration.
At the end of December 2021, the FDA authorized for emergency use the first oral antivirals for COVID-19, Pfizer’s Paxlovid and Merck’s molnupiravir. Both drugs are authorized for patients with mild-to-moderate COVID-19 who are at high risk of severe disease.

The Facts on the Recommended J&J Vaccine ‘Pause’

The Facts on the Recommended J&J Vaccine ‘Pause’

Nearly 200 million doses of COVID-19 vaccines have been administered in the U.S., including 7.2 million doses of the Johnson & Johnson vaccine. The CDC and FDA recommended “a pause in the use” of the J&J vaccine “out of an abundance of caution” because of six cases of a rare type of blood clot.

Flawed Report Fuels Erroneous Claims About COVID-19 Death Toll

Flawed Report Fuels Erroneous Claims About COVID-19 Death Toll

Viral social media posts cite a flawed paper in falsely claiming the Centers for Disease Control and Prevention changed death certificate procedures and violated federal law, resulting in wildly inflated COVID-19 deaths. The CDC hasn’t altered how death certificates for COVID-19 are filled out, and there is no federal law governing the process.

Pfizer CEO Got Vaccinated, Contrary to Claim in Video

Pfizer CEO Got Vaccinated, Contrary to Claim in Video

A video making the false claim that the Pfizer CEO “refuses” to get a COVID-19 vaccine has been circulating on Facebook. But the pharmaceutical company’s chief executive has said that he’s gotten his first shot.

Texas Doctor Spreads False Claims About COVID-19 Vaccines

Texas Doctor Spreads False Claims About COVID-19 Vaccines

Federal officials authorized two mRNA vaccines for COVID-19 after they were determined to be safe and effective against symptomatic illness in clinical trials. But a Texas doctor, in a widely shared video, falsely claims the vaccines don’t provide protection and that they’re actually “experimental gene therapy.”

Posts Distort CDC Study Supporting Mask Mandates to Reduce COVID-19

Posts Distort CDC Study Supporting Mask Mandates to Reduce COVID-19

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.

Instagram Post Misrepresents FDA Document About Monitoring Vaccine Safety

Instagram Post Misrepresents FDA Document About Monitoring Vaccine Safety

A Food and Drug Administration presentation on monitoring the safety of COVID-19 vaccines listed possible adverse events the agency might track. But an Instagram post misrepresents the document, falsely claiming it shows the vaccines are known to cause harmful side effects — including death.

Hagler’s Widow Refutes Rumors About How He Died

Hagler’s Widow Refutes Rumors About How He Died

Hall of Fame boxer Marvelous Marvin Hagler “died on March 13 of natural causes,” according to a statement posted on his official website. In a Facebook post, his widow, Kay Hagler, wrote that his death was not the result of a COVID-19 vaccination.