Articles on Vaccine safety

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A discredited study published in 1989 first alleged a link between thimerosal and autism. Flavio Coelho/Moment via Getty Images

A preservative removed from childhood vaccines 20 years ago is still causing controversy today − a drug safety expert explains

There’s no solid evidence that thimerosal harms children. RFK Jr.’s handpicked vaccine advisory committee voted against using it in the one type of flu vaccine where it is still used.
The Epidemic Intelligence Service has produced a cadre of highly trained public health experts over its 74-year history. peterhowell/iStock / Getty Images Plus via Getty Images

How the CDC’s Epidemic Intelligence Service protects public health at home and abroad

The Epidemic Intelligence Service has been a crucial tool in fighting diseases at home and abroad. Its impact would be impossible to replace.
Donald Trump’s nominee for secretary of the Department of Health and Human Services, Robert Kennedy Jr., on Capitol Hill on Jan. 9, 2025. Jon Cherry/Getty Images

Robert F. Kennedy Jr.’s nomination signals a new era of anti‑intellectualism in American politics

Attacks on scientific expertise have been increasing, especially in politics. Health and Human Services nominee Robert F. Kennedy Jr. is among the more prominent people who have done that.
Talking about vaccines with trusted health care providers and with family can help wade through the sea of information – and misinformation. Morsa Images/DigitalVison via Getty Images

Misinformation will be rampant when it comes to COVID‑19 shots for young children – here’s what you can do to counter it

With COVID-19 shots finally available for infants and preschoolers, knowing how to combat misinformation on social media and elsewhere could be more important than ever.
With the holiday season approaching, people wait to receive a COVID-19 vaccination in Montréal as the pandemic continues in Canada and around the world. THE CANADIAN PRESS/Graham Hughes

Answers from COVID experts: How do you talk to family members who aren’t vaccinated? How can the vaccines be safe if they were developed so quickly? Is natural immunity better than being vaccinated?

A panel of experts answer questions about vaccines, omicron and other COVID-related issues in a discussion with The Conversation.
Health care providers are just one trusted source of information for parents on the safety of COVID-19 vaccines for children. Cavan Images/Cavan via Getty Images

COVID‑19 vaccines for children: How parents are influenced by misinformation, and how they can counter it

Pediatricians and other health care providers can take some concrete steps toward building trust and counteracting anti-vaccination misinformation.
Vaccine hesitancy has been a growing challenge for more than a decade. Concerns about vaccine safety and adverse events are the most commonly cited reasons. (AP Photo/Rogelio V. Solis) 

How cognitive biases and adverse events influence vaccine decisions (maybe even your own)

To help increase trust in vaccines, researchers analyzed data on adverse events to address safety concerns, and then used cognitive science to show how cognitive biases feed vaccine hesitancy.
Fiona Goodall/Getty Images

New Zealand has ramped up vaccination rates, but too many people remain concerned about vaccine safety

A survey found almost a quarter of participants thought they could not receive a vaccine because of medical conditions. But only 28.9% of this group actually meet the criteria set by health agencies.

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