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A Project of The Annenberg Public Policy Center

TikTok Video Mangles American Cancer Society Breast Cancer Estimates

TikTok Video Mangles American Cancer Society Breast Cancer Estimates

Breast cancer in younger women has been increasing gradually in recent decades. But a social media post misrepresents case number projections for 2022 and 2023 to falsely claim they show a dramatic rise in early-onset breast cancer — and then baselessly ties its faulty comparisons to COVID-19 vaccines.  

Cleveland Clinic Study Did Not Show Vaccines Increase COVID-19 Risk

Cleveland Clinic Study Did Not Show Vaccines Increase COVID-19 Risk

Numerous studies have found that additional COVID-19 shots are generally associated with extra protection against the coronavirus. Many people on social media, however, have shared a preliminary finding from a Cleveland Clinic study and misrepresented it as proving that getting more doses increases a person’s risk of infection.

FactChecking Chris Christie’s Presidential Announcement

FactChecking Chris Christie’s Presidential Announcement

Former New Jersey Gov. Chris Christie kicked off his campaign for the 2024 GOP presidential nomination with a June 6 town hall in Manchester, New Hampshire. We fact-checked his remarks, which included false or misleading claims about former President Donald Trump, the current Republican front-runner, whom Christie attacked several times.

Database Errors Fuel False Claims about HIV Cases in Military

Database Errors Fuel False Claims about HIV Cases in Military

The rate of new HIV infections in the military has been relatively unchanged since 2017. But social media posts falsely claim that the military has recorded a “500% increase in HIV since the COVID vaccine rollout.” A Defense Department spokesperson said errors in a military database sparked the inaccurate claim.

No Evidence Excess Deaths Linked to Vaccines, Contrary to Claims Online

No Evidence Excess Deaths Linked to Vaccines, Contrary to Claims Online

COVID-19 vaccines substantially reduce the risk of dying from COVID-19, and serious side effects are very rare. Excess deaths among working-age adults in 2021 and 2022 were due to COVID-19 and other factors, not vaccination. Faulty logic underlies claims that vaccines caused mass disability and economic harm.