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A Project of The Annenberg Public Policy Center

Poliovirus Found in New York City Wastewater, Not Tap Water

Poliovirus Found in New York City Wastewater, Not Tap Water

Wastewater surveillance is a public health tool that can track the spread of pathogens. The virus that causes polio was detected in New York City sewage as part of such monitoring efforts. Social media posts, however, have incorrectly claimed the virus was found in tap water. Similar claims have been made about the monkeypox virus.

A Guide to Novavax’s COVID-19 Vaccine

A Guide to Novavax’s COVID-19 Vaccine

After a long delay marred by manufacturing troubles, a COVID-19 vaccine from Novavax became the fourth such vaccine authorized in the U.S. We review how it works and how it’s different from its competitors.

Posts Misleadingly Omit Critical Data Supporting COVID-19 Vaccines for Youngest Kids

Posts Misleadingly Omit Critical Data Supporting COVID-19 Vaccines for Youngest Kids

In young children, the Pfizer/BioNTech and Moderna COVID-19 vaccines are expected to primarily protect against severe disease. Both shots successfully met the set benchmarks for vaccine effectiveness, which involved comparing antibody responses to those of adults. Online posts critical of government recommendations for the pediatric vaccines, however, fail to mention these essential data.

A Guide to COVID-19 Vaccines for the Youngest Kids

A Guide to COVID-19 Vaccines for the Youngest Kids

Children under 5, including those as young as 6 months of age, are now able to be vaccinated against COVID-19. Here, we explain what’s known about the two coronavirus vaccines for the youngest children.

COVID-19 Vaccines Don’t Contain Fetal Tissue

COVID-19 Vaccines Don’t Contain Fetal Tissue

Despite persistent claims to the contrary, none of the three authorized or approved COVID-19 vaccines contains fetal tissue. We take a look at the facts in light of Justice Clarence Thomas’ dissent.

Social Media Swirls With Unsupported Claims About Cause of Justin and Hailey Bieber’s Medical Conditions

Social Media Swirls With Unsupported Claims About Cause of Justin and Hailey Bieber’s Medical Conditions

Pop star Justin Bieber announced he has Ramsay Hunt syndrome, a form of facial paralysis caused by a reactivation of the virus that causes chickenpox. Social media posts have claimed his condition was caused by COVID-19 vaccination, but there is no established link between vaccination and the syndrome. Some posts have also baselessly claimed vaccination was behind a mini-stroke suffered by Bieber’s wife, Hailey.

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.