The Pfizer/BioNTech COVID-19 vaccine showed a final efficacy of 91% against symptomatic illness in its phase 3 trial. Social media posts wrongly claim recently released Pfizer documents show the vaccine is “12% effective.” That appears to be a misreading of data released more than a year ago.
SciCheck
FactCheck.org’s SciCheck feature focuses exclusively on false and misleading scientific claims that are made by partisans to influence public policy. It was launched in January 2015 with a grant from the Stanton Foundation. The foundation was founded by the late Frank Stanton, president of CBS for 25 years, from 1946 to 1971.
Q&A On Paxlovid, Pfizer’s COVID-19 Oral Antiviral
Pediatric Hepatitis Cases May Be Linked to Adenovirus, No Connection to COVID-19 Vaccination
A string of unexplained hepatitis cases in children has been reported in the U.S. and in other countries. The cause is not yet known, but the top suspect so far is a strain of adenovirus. Contrary to some social media posts, there is no evidence that COVID-19 vaccination is involved. Most of the children are too young to even qualify for the vaccine.
Biden’s Earth Day Exaggerations
Red Cross Accepts Blood Donations From People Vaccinated Against COVID-19
When the Science Is Messy: How SciCheck Handles Scientific Disputes
COVID-19 Is Caused by a Virus, Not Snake Venom
COVID-19 Vaccines Reduce Hospitalization and Death Rates, Contrary to Social Media Claims
Those who are not vaccinated against COVID-19 are more prone to serious illness and are dying at higher rates than those who are vaccinated. But partisan social media accounts, including a post by a member of former President Donald Trump’s campaign legal team, continue to misleadingly suggest the vaccines are unnecessary and discourage their use.







