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

What the Cochrane Review Says About Masks For COVID-19 — and What It Doesn’t

What the Cochrane Review Says About Masks For COVID-19 — and What It Doesn’t

People online are touting the results of a Cochrane review to incorrectly claim that it shows masks “don’t work” against the coronavirus. But the primary conclusion of the review is that it’s uncertain from randomized controlled trials whether mask interventions in the community help slow the spread of respiratory illnesses.

Posts Spread Unfounded Claims About Russia’s Use of COVID-19 Vaccines

Posts Spread Unfounded Claims About Russia’s Use of COVID-19 Vaccines

Russia developed a COVID-19 vaccine, Sputnik V, in 2020. President Vladimir Putin has said he received three doses of the vaccine, and the government continues to urge Russians to get vaccinated against the disease. But social media posts falsely claimed Putin “ordered the destruction of all” COVID-19 vaccine stockpiles in Russia.

Posts Make False Comparisons Between COVID-19 Immunity From Infections and Vaccines

Posts Make False Comparisons Between COVID-19 Immunity From Infections and Vaccines

Vaccination and infection both provide protective immunity to COVID-19, particularly against severe disease. But gaining immunity through infection is far riskier than vaccination. Posts citing a new Lancet study omit that important context and also misleadingly claim the study shows immunity after infection is superior to vaccination immunity.

Still No Determination on COVID-19 Origin

Still No Determination on COVID-19 Origin

Most U.S. intelligence agencies assess a spillover from an animal is most likely the origin of COVID-19, but recent news reports say the Energy Department now favors the lab-leak hypothesis. Online posts wrongly claim this means a lab origin has been confirmed.

No Evidence Pfizer Conducting Any Inappropriate Coronavirus Experiments

No Evidence Pfizer Conducting Any Inappropriate Coronavirus Experiments

Scientists say the experiments Pfizer has performed on the coronavirus are standard for the industry. Baseless claims that the company is mutating the virus for profit, however, have been circulating since the release of a popular undercover video from the conservative activist group Project Veritas.

Posts Misrepresent Moderna CEO’s Remarks on Vaccine Production

Posts Misrepresent Moderna CEO’s Remarks on Vaccine Production

Moderna’s CEO said in January that the company’s total production in 2019 was “100,000 dose,” referring to all its vaccines and therapeutics. Online posts distorted the remarks to falsely claim Moderna made COVID-19 vaccines “before the pandemic started.” Moderna’s first batch of COVID-19 vaccines wasn’t ready until February 2020.