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SciCheck’s COVID-19/Vaccination Project

Posts About ‘Cross Reactants’ Misrepresent Accuracy of COVID-19 PCR Tests

Posts About ‘Cross Reactants’ Misrepresent Accuracy of COVID-19 PCR Tests

Polymerase chain reaction, or PCR, tests for COVID-19 are highly accurate. People on social media, however, are circulating lists of germs that they baselessly claim will cause such tests to be falsely positive. In reality, it’s the opposite. The lists include pathogens that have been tested by the manufacturers and did not react to the test.

DeSantis Misleads on Omicron-Resistant COVID-19 Antibody Treatments

DeSantis Misleads on Omicron-Resistant COVID-19 Antibody Treatments

After the Food and Drug Administration pulled its authorization of two COVID-19 antibody drugs because the treatments are highly unlikely to work against the omicron variant, Gov. Ron DeSantis of Florida misleadingly claimed the decision had been made “without a shred of clinical data” to support it. There may not be data from patients, but lab studies strongly suggest the treatments will not help omicron-infected people.

Ted Nugent Posts Fake Headline, Claim About Sotomayor’s Health

Ted Nugent Posts Fake Headline, Claim About Sotomayor’s Health

Justice Sonia Sotomayor, who as a diabetic is at higher risk for severe illness from COVID-19, has participated remotely in recent Supreme Court arguments. But Ted Nugent posted a bogus headline on Facebook — using a CNBC logo and byline — with the unfounded claim that Sotomayor tested positive for the disease. A CNBC spokesperson said the outlet didn’t publish it.

Partisans Seize on Edited Clip of CDC Director’s Comments on COVID-19 Vaccine Effectiveness

Partisans Seize on Edited Clip of CDC Director’s Comments on COVID-19 Vaccine Effectiveness

Dr. Rochelle Walensky, director of the Centers for Disease Control and Prevention, discussed a recent study that found that on the rare occasion when fully vaccinated people died from COVID-19, they often had multiple risk factors for severe disease. But her reference to vaccinated people was cut in a version of the interview — and conservative figures misleadingly claimed she was talking about all COVID-19 deaths.

Q&A on At-Home Rapid Tests

Q&A on At-Home Rapid Tests

The demand for at-home, rapid COVID-19 tests — sparked by the fast-spreading omicron variant in December — has continued in 2022. With that demand have come questions about the tests’ efficacy, how to use them and where to get them. We answer those queries and more.

Death of Betty White Leads to Swirl of Falsehoods on Social Media

Death of Betty White Leads to Swirl of Falsehoods on Social Media

TV actress Betty White passed away at age 99 on Dec. 31. Following her passing, various falsehoods appeared on social media about White, including claims that she died after getting a COVID-19 booster shot and that she was the sister of former first lady Barbara Bush. White died of natural causes, according to her agent, and she had no siblings.

Early Data on Omicron

Early Data on Omicron

As many Americans and others around the globe prepare for holiday travel and get-togethers, the omicron variant continues to be a concern. While the available data on transmission, vaccine effectiveness and severity of disease are still preliminary, here’s what we’ve learned so far.

COVID-19 Far More Lethal Than a Cold, Contrary to Suggestion in Viral Video

COVID-19 Far More Lethal Than a Cold, Contrary to Suggestion in Viral Video

COVID-19 has killed more than 805,000 people in the U.S., according to the Centers for Disease Control and Prevention. Yet a viral video on social media suggests the disease is the same as a “common cold.” COVID-19 is in the same family of some cold viruses, but its potential for a severe outcome — including death — is much higher than for the common cold.