Pfizer Safety

Can 49 percent of COVID-19 vaccine ingredients produced under emergency use authorization (EUA) be changed without telling the Food and Drug Administration (FDA)? No, that's not true: Even very small changes to a vaccine must be reported to the regulatory agency. A member of the FDA's vaccine advisory panel said such a notion about vaccines could only come from "someone…

Do a paper published in a medical journal and a video based on it prove the Pfizer COVID-19 vaccine causes brain and heart damage? No, that's not true: The paper looks at the case of a single elderly man with Parkinson's disease who died weeks after his final vaccination. It doesn't establish a causal link between the vaccine and the…

Is ALC-0315, an ingredient in Pfizer's COVID vaccine, unsafe? No, that's not true: A claim to the contrary relies on a misunderstanding and misapplication of a safety data sheet, which was created in the context of occupational safety for those handling large amounts or high concentrations -- not the small amounts in a therapeutic product -- according to experts consulted…

Did the government of Thailand announce plans to cancel COVID-19 vaccine contracts with Pfizer-BioNTech after a suspected connection between the Pfizer vaccine and Princess Bajrakitiyabha's December 2022 collapse was established? No, that's not true: An official from Thailand's National Vaccine Institute told the Associated Press on February 7, 2023, that the country does not intend to reconsider its contract with…

Does a 2020 study published before the approval of any COVID-19 vaccine prove the existence of a conspiracy to burn chicken farms to prevent populations from getting access to eggs that allegedly can protect from COVID? No, that's not true: The study and its conclusions have been significantly misinterpreted, and there is no evidence that eating commercially available eggs affects…

Did the Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA) find a link between the Pfizer bivalent COVID-19 vaccine and strokes in the elderly? No, that's not true: The U.S. public health agencies did detect a possible safety signal for people 65 and older with the Pfizer shot, but the CDC said, "data currently…

Did the Centers for Disease Control and Prevention (CDC) admit that COVID-19 vaccines were created as part of a "depopulation kill plan"? No, that's not true: The CDC has never described COVID vaccine programs as a "depopulation plan." There is no record of the health agency having made this statement, and an article claiming as much did not cite any…

Does a U.S. Food and Drug Administration (FDA) study prove the Pfizer COVID vaccine increases the risk of lung blood clots in the elderly by 50 percent? No, that's not true: The study does not establish a causal relationship between the vaccine and the adverse event in people 65 and older, the FDA told Lead Stories. The claim appeared in…

Does a reanalysis of Pfizer and Moderna mRNA COVID-19 vaccine data show an increased risk of serious adverse events of special interest? No, that's not true: The authors of this study created their own subset of serious adverse events of special interest (AESI), which give the appearance of there being a strong correlation between them and the vaccines when, in…

Did the Food and Drug Administration report that the Pfizer-BioNTech COVID-19 vaccine "causes" blood clots? No, that's not true: In remarks to Lead Stories, the Food and Drug Administration (FDA) stated that the vaccine meets its safety standards and denied that the agency had found that the vaccine causes health problems. The authors of a recent study, conducted in part…