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What is the vaccine preservative thimerosal? What to know about it and its removal from flu vaccines

What is the vaccine preservative thimerosal? What to know about it and its removal from flu vaccines

By Madison Czopek • June 26, 2025
RFK Jr. fired everyone on a key vaccine panel. Here’s who he replaced them with.

RFK Jr. fired everyone on a key vaccine panel. Here’s who he replaced them with.

By Shefali Luthra • June 18, 2025
In Context: How a 2018 vaccine committee meeting video was misleadingly edited

In Context: How a 2018 vaccine committee meeting video was misleadingly edited

By Madison Czopek • June 12, 2025
RFK Jr.’s statements about autism and environmental toxins conflict with ample research

RFK Jr.’s statements about autism and environmental toxins conflict with ample research

By Madison Czopek • April 24, 2025
Ask PolitiFact: If Robert F. Kennedy Jr. is confirmed as HHS secretary, could he ban vaccines?

Ask PolitiFact: If Robert F. Kennedy Jr. is confirmed as HHS secretary, could he ban vaccines?

By Madison Czopek • November 20, 2024
'Transgender monkeys'? Musk highlights misleading posts in push for new Government Efficiency group

'Transgender monkeys'? Musk highlights misleading posts in push for new Government Efficiency group

By Caleb McCullough • November 18, 2024
RFK Jr. is suspending his 2024 presidential bid. Here are 6 fact-checks from his campaign

RFK Jr. is suspending his 2024 presidential bid. Here are 6 fact-checks from his campaign

By Madison Czopek • August 23, 2024
Did the world know about global warming a century ago, as Dean Phillips said?

Did the world know about global warming a century ago, as Dean Phillips said?

By Louis Jacobson • January 21, 2024
DNA fragments in mRNA COVID-19 vaccines won’t harm you, as Florida surgeon general suggests

DNA fragments in mRNA COVID-19 vaccines won’t harm you, as Florida surgeon general suggests

By Madison Czopek • January 11, 2024
United Facts of America: Looking at the profit motive driving anti-vaccine misinformation

United Facts of America: Looking at the profit motive driving anti-vaccine misinformation

By Madison Czopek • November 7, 2023
How health incidents like Bronny James’ cardiac arrest fuel COVID-19 vaccine misinformation

How health incidents like Bronny James’ cardiac arrest fuel COVID-19 vaccine misinformation

By Madison Czopek • July 31, 2023
RFK Jr.’s Wi-Fi claim about human blood-brain barriers isn’t backed by definitive research

RFK Jr.’s Wi-Fi claim about human blood-brain barriers isn’t backed by definitive research

By Madison Czopek • July 10, 2023
Fact-check: Does milk consumption increase breast cancer risk? More research is needed, experts say

Fact-check: Does milk consumption increase breast cancer risk? More research is needed, experts say

By Maria Briceño • June 19, 2023
Anti-abortion advocates turn to the environment: Is mifepristone in wastewater a threat?

Anti-abortion advocates turn to the environment: Is mifepristone in wastewater a threat?

By Samantha Putterman • May 31, 2023
CO2 is only 0.04% of the atmosphere, but a viral video ignores that it’s a major climate threat

CO2 is only 0.04% of the atmosphere, but a viral video ignores that it’s a major climate threat

By Tom Kertscher • April 21, 2023
Immunity from COVID-19 infection is strong and lasting, but carries risks, research finds

Immunity from COVID-19 infection is strong and lasting, but carries risks, research finds

By Samantha Putterman • March 7, 2023
Did Ohio train derailment cause CDC to update its vinyl chloride toxicology info? No

Did Ohio train derailment cause CDC to update its vinyl chloride toxicology info? No

By Madison Czopek • February 24, 2023
'Died Suddenly' repeats debunked COVID-19 vaccine claims, promotes conspiracy theory

'Died Suddenly' repeats debunked COVID-19 vaccine claims, promotes conspiracy theory

By Madison Czopek • November 29, 2022
Is the titanium dioxide in tampons toxic?

Is the titanium dioxide in tampons toxic?

By Grace Abels • August 12, 2022
What we know about how monkeypox is spreading — and what we still don’t know

What we know about how monkeypox is spreading — and what we still don’t know

By Madison Czopek • August 5, 2022

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