Vaccine skepticism, and the broader medical mistrust and far-reaching anxieties it reflects, is not just a fringe position in the 21st century.

A pediatrician and preventive medicine physician explains how measles vaccines became victims of their own success and the risk that rising outbreaks pose to everyone.

The COVID-19 pandemic demonstrated the promise of using mRNA as medicine. But before mRNA drugs can go beyond vaccines, researchers need to identify the right diseases to treat.

People who are suspicious of science often assume they are understand it well – and that others agree with them.

Studies show that health misinformation on social media has led to fewer people getting vaccinated and more lives lost to COVID-19 and other life-threatening diseases.

From COVID-19 vaccines to cancer treatments and beyond, the flexibility of mRNA-based therapies gives them the potential to prevent and treat many types of diseases.

Viruses can get into cells in several ways. Figuring out how to stop them from entering in the first place is a key to developing better vaccines and stopping future pandemics.

Vaccine policies fall on a spectrum, from mandates to recommendations. Deciding what to use and when is not so much a science but a balancing act between personal autonomy and public good.

Only time and data will tell whether the CDC-recommended reformulated shots can stand their ground against the ever-changing SARS-CoV-2 variants.

Nearly 100,000 US children under age 5 are hospitalized each year for an RSV infection.