Why are more people becoming afraid of vaccines than the diseases vaccines were created to prevent? The answer is not simply a lack of information. In many ways, vaccines have become victims of their own success.

For decades, widespread vaccination helped push diseases like measles, polio, pertussis, and smallpox out of everyday life. Many of us no longer live with the visible fear of these infections, their complications, or the way they can destabilize families, communities, and healthcare systems.

But when the disease feels distant, the vaccine can start to feel like the bigger threat.

That shift is now changing public health.

Rather than assuming vaccine hesitancy is only about ignorance or defiance, we need to look more carefully at:

• why people can become more suspicious of vaccines when they no longer see the diseases vaccines helped control

• How misinformation, fear, personal experience, politics, history, and social media can shape health decisions

• Why highly educated people can still be vulnerable to vaccine misinformation

• how confusing a side effect, adverse event, or normal immune response with a true allergy can create long-term fear

• Why egg allergy is no longer the vaccine barrier many people still believe it is

• And how declining vaccination rates can allow diseases like measles and pertussis to reemerge

Vaccine education has to move beyond simply telling people what to do. We need clearer, more compassionate conversations that acknowledge fear while helping people separate facts from fiction.

In this upcoming episode, I’m joined by Dr. Joyce Yu, associate professor of pediatrics and director of the Food Allergy Program at Columbia University Irving Medical Center.

Together, we explore:

• What is driving the rise of vaccine hesitancy
• Why vaccine-preventable diseases can return when communities let their guard down
• How allergists help patients understand whether a vaccine reaction is truly an allergy
• And why rebuilding trust requires listening, clarity, and evidence-based conversation

If you or someone you love has ever felt uncertain, afraid, or confused about vaccines, allergic reactions, side effects, or conflicting health information, this conversation offers a grounded look at how fear spreads, how misinformation takes hold, and why protecting public health depends on rebuilding trust.

Guest Bio

Dr. Joyce Yu is an associate professor of pediatrics and director of the Food Allergy Program at Columbia University Irving Medical Center. She is an allergy and immunology specialist with clinical and scientific expertise in food allergy, immunology, vaccine-related concerns, and immune system function. Dr. Yu received her medical education at the Icahn School of Medicine at Mount Sinai, completed her residency at Northwestern/Lurie Children’s Hospital, and completed her fellowship in Allergy and Immunology at Mount Sinai. Her postdoctoral work focused on toll-like receptor signaling and memory B cell development, mechanisms that are closely connected to how the immune system develops lasting protection. She is a fellow of both the American College of Allergy, Asthma & Immunology and the American Academy of Allergy, Asthma & Immunology. She is also a former president of the New York Allergy and Asthma Society and has held leadership roles within the Clinical Immunology Society. Connect with Dr. Yu on LinkedIn.

About Your Host

Hosted by Dr. Deepa Grandon, MD, MBA, a triple board-certified physician with over 23 years of experience working as a Physician Consultant for influential organizations worldwide. Dr. Grandon is the founder of Transformational Life Consulting (TLC) and an outspoken faith-based leader in evidence-based lifestyle medicine.

Disclaimer

​​TLC is presenting this podcast as a form of information sharing only. It is not medical advice or intended to replace the judgment of a licensed physician. TLC is not responsible for any claims related to procedures, professionals, products, or methods discussed in the podcast, and it does not approve or endorse any products, professionals, services, or methods that might be referenced.

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