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

Social Media Claims Misrepresent Boston U. Study of What Causes Severity of COVID-19 Strains

Social Media Claims Misrepresent Boston U. Study of What Causes Severity of COVID-19 Strains

To study the role of the spike protein in the severity of COVID-19 illnesses, researchers exposed 10 mice prone to develop severe disease to a hybrid version of the virus. Eight mice died. Social media posts say researchers created a dangerous new variant with an “80 PERCENT Kill Rate,” potentially leaving the false impression that this pertains to humans. Also, the hybrid virus used in the study had a lower mortality rate than the original virus had on mice.

Florida’s COVID-19 Vaccination Analysis Is Flawed, Experts Say

Florida’s COVID-19 Vaccination Analysis Is Flawed, Experts Say

The state of Florida recently announced that it was no longer recommending that younger males receive mRNA COVID-19 vaccines, based on an unpublished analysis that purportedly found an increased risk of cardiac-related death following vaccination. But experts who specialize in the unique method used in the analysis say it was not properly done — and even if it had been, the findings would not mean that individuals should not get vaccinated.

Vaccinated People Not More Susceptible to COVID-19 Than Unvaccinated

Vaccinated People Not More Susceptible to COVID-19 Than Unvaccinated

Q. Are vaccinated and boosted people more susceptible to infection or disease with the omicron variant than unvaccinated people?
A. No. Getting vaccinated increases your protection against COVID-19. Sometimes, certain raw data can suggest otherwise, but that information cannot be used to determine how well a vaccine works.

COVID-19 Is Caused by a Virus, Not Snake Venom

COVID-19 Is Caused by a Virus, Not Snake Venom

The COVID-19 pandemic was caused by a novel coronavirus, first isolated in January 2020. But a viral video has been spreading a conspiracy theory that the pandemic has actually been a plot to poison people with snake venom.

Posts Misinterpret Pfizer COVID-19 Vaccine Safety Monitoring Document

Posts Misinterpret Pfizer COVID-19 Vaccine Safety Monitoring Document

A Pfizer document recently released by the Food and Drug Administration describes adverse events reported following vaccination and attests to the continued safety of the company’s COVID-19 vaccine. A popular video and other online posts, however, incorrectly imply that the vaccine caused the events.

Polio Vaccine Is a Four-Shot Series, Contrary to Greene Comments

Polio Vaccine Is a Four-Shot Series, Contrary to Greene Comments

The Centers for Disease Control and Prevention says it “recommends that children get four doses of polio vaccine.” But Rep. Marjorie Taylor Greene, when speaking against a potential fourth dose of the COVID-19 vaccines, wrongly suggested that the CDC doesn’t recommend four shots of the polio vaccine.

Post Misconstrues Public Health Awareness Campaigns About Blood Clots

Post Misconstrues Public Health Awareness Campaigns About Blood Clots

The Centers for Disease Control and Prevention and Pfizer tweeted in February about the dangers of blood clots in veins, which are relatively common and affect as many as 900,000 Americans each year. A story shared on social media, however, misleadingly linked those public health reminders to the COVID-19 vaccines.