Pfizer Safety

Does a document show hantavirus as a side effect of COVID-19 vaccines? No, that's not true: The document shows a government-required adverse event (AE) report prepared by pharmaceutical companies. It is not a list of side effects proven to be caused by or associated with the vaccine but a broad list of health conditions that researchers want to look out…

Do social media posts share the real side effects of Pfizer's COVID-19 vaccine as of January 2025? No, that's not true: The post lists 'adverse events of special interest' that researchers are required to report if they happen during drug trials, it is not a list of things that actually were observed. The most common side effects are feeling tired,…

Did a Centers for Disease Control and Prevention study find that children who received the Pfizer COVID-19 vaccine are more likely to get infected than those who are unvaccinated? No, that's not true: The study of children aged six months to four years found there was not a big difference in infection rates, especially for those who hadn't had COVID…

Were COVID-19 vaccines manufactured by military contractors rather than by Pfizer and Moderna? No, that's not true: FDA inspection records show the vaccines were made in drug industry labs. Pfizer pointed Lead Stories to publicly available documents about its facilities in Belgium, Germany and at least two locations in the U.S., including Kalamazoo, Michigan. Under Operation Warp Speed, the government…

Did the Cleveland Clinic say widespread use of mRNA COVID-19 vaccine will cause a wave of "mass deaths" within the next five years? No, that's not true: The medical center issued no such warning. A spokesperson for the Cleveland Clinic told Lead Stories there is no scientific basis for the claim that the COVID-19 vaccine will lead to myocarditis and…

Is a 2024 article on mRNA COVID-19 vaccines by Dr. Young Mi Lee, an obstetrician and gynecologist in South Korea, and Daniel Broudy, an applied linguistics professor at Okinawa Christian University in Japan a valid, well-done scientific study? No, that's not true: The article -- titled "Real-Time Self-Assembly of Stereomicroscopically Visible Artificial Constructions in Incubated Specimens of mRNA Products Mainly…

Will bioengineered rennet, an enzyme necessary for cheese production and made primarily by Pfizer, make you sick, as a video on Facebook implies? No, that's not true: Rennet is not considered genetically modified and is safe for human health, several experts told Lead Stories. Rennet is used to generate the final cheese product, but is not an ingredient in cheese,…

Did Japan declare a state of emergency in August 2024 after "nanobots" were found in 96 million citizens? No, that's not true: A state of emergency in Japan would be major news worldwide and yet there have been no stories about it. The "news" came from a website with a reputation for making things up. The journal article the website…

Is COVID-19 vaccine shedding real, meaning it can spread from person to person? No, that's not true: The COVID-19 shots authorized for use in the United States do not contain the live virus and therefore cannot replicate in the body or be shed. Additionally, infectious disease experts told Lead Stories that there's no credible scientific evidence supporting the claim. The…

Do COVID-19 vaccines contain the Marburg virus, a severe and often fatal illness in humans? No, that's not true: Each vaccine has its unique formulation, but none include the Marburg virus. The disease is rare, usually found in Africa after a person comes in contact with an infected bat, the National Institute of Allergy and Infectious Diseases told Lead Stories.…