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Listen to “VEC Vaccine Notes,” a video and podcast series presented by the Vaccine Education Center at Children's Hospital of Philadelphia. Each episode offers vaccine information in a convenient format, so families have the answers they need to make informed decisions, including details and context that addresses what they may have heard in the news or in conversation with others.
This podcast is for general informational and educational purposes only and is not to be considered as professional medical advice for your personal health or for your family's personal health. You should not use it to replace any relationship with a physician or other qualified healthcare professional. For medical concerns, including decisions about vaccinations, medications and other treatments, you should always consult your physician or, in serious cases, seek immediate assistance from emergency personnel. Clinicians must rely on their own informed clinical judgment in making recommendations to their patients. ©2026 The Children’s Hospital of Philadelphia.
Learn about our new podcast and video series, called “VEC Vaccine Notes.” Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, will host each episode. In this series trailer, Charlotte discusses why we felt the time was right for this series, what information will be covered, and when new episodes will drop.
Check out the series webpage at https://vaccine.chop.edu/parents.
Check out the series playlist on YouTube https://bit.ly/vaccine-notes-playlist.
Episodes

Apr 29, 2026
Apr 29, 2026
21 min
Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about smallpox — a disease that killed 300 million people prior to vaccination. She discusses the successful eradication of smallpox virus through vaccination and addresses common questions as well as the relative risks and benefits.
Watch the episode to find out about:
- The role of smallpox in shaping history
- The progression of smallpox rash when a person is infected
- What was done in the homes of survivors and why
- Variolation, Jenner and when vaccination for smallpox ended in the U.S.
- Two vaccines, why only one is currently licensed for use, and why it is still recommended for some people today (hint: it’s not all about smallpox)
To learn more about smallpox disease and the vaccine to prevent it, please visit https://bit.ly/vec-smallpox.
Questions? Submit the VEC Vaccine Notes form, https://bit.ly/contact-vec-vaccine-notes.
For other vaccines, diseases or general questions about vaccines, check out https://vaccine.chop.edu.
Subscribe to our Parents PACK newsletter, https://bit.ly/3KfLUoO.

Apr 22, 2026
Apr 22, 2026
10 min
Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about Haemophilus influenzae type b, or Hib, and the vaccines that protect against it. She also addresses common questions and discusses the relative risks and benefits of the disease and vaccines.
Watch the episode to find out:
- About the special teams hospitals had when Hib was more common and why
- The difference between Haemophilus influenzae type b and influenza
- Where Hib bacteria can be found in some healthy people
- The difference between viral and bacterial meningitis
To learn more about Hib disease and the vaccine to prevent it, please visit https://bit.ly/vec-hib.
Questions? Submit the VEC Vaccine Notes form, https://bit.ly/contact-vec-vaccine-notes.
For other vaccines, diseases or general questions about vaccines, check out https://vaccine.chop.edu.
Subscribe to our Parents PACK newsletter, https://bit.ly/3KfLUoO.

Apr 15, 2026
Apr 15, 2026
18 min
Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about meningococcus and the vaccines that protect against it. She also addresses common questions and discusses the relative risks and benefits of the disease and vaccines.
Watch the episode to find out:
- Why meningococcus demonstrates the limits of focusing only on treatment and not prevention
- Death rates from meningococcal-induced meningitis (inflammation of the lining of the brain and spinal cord) and sepsis (bloodstream infection)
- The ages of greatest risk and why
- The types of lifelong effects that people can experience
- Why a meningococcal type B vaccine was more difficult to develop than vaccines against the other types (A, C, W, Y)
- A comparison between viral and bacterial meningitis
To learn more about meningococcus disease and the vaccine to prevent it, please visit https://bit.ly/vec-mening.
Questions? Submit the VEC Vaccine Notes form, https://bit.ly/contact-vec-vaccine-notes.
For other vaccines, diseases or general questions about vaccines, check out https://vaccine.chop.edu.
Subscribe to our Parents PACK newsletter, https://bit.ly/3KfLUoO.

Apr 1, 2026
Apr 1, 2026
4 min
Get ready for Season 3 of VEC Vaccine Notes! Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, provides a sneak peek into the vaccines and diseases that will be discussed in Season 3, including meningococcus, Haemophilus influenzae type b, smallpox, cytomegalovirus, dengue, and more.
The first episode about meningococcus will drop on April 15.
Check out the video version of this podcast.
Get ready for the new season by subscribing to our YouTube channel or following the series where you listen to podcasts. That way, you’ll be sure to get episodes as soon as they become available:
Catch up on previous seasons:
Questions? Submit the VEC Vaccine Notes form, https://bit.ly/contact-vec-vaccine-notes.
For other vaccines, diseases or general questions about vaccines, check out https://vaccine.chop.edu.
Subscribe to our Parents PACK newsletter, https://bit.ly/3KfLUoO.

Mar 11, 2026
Mar 11, 2026
15 min
Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about tuberculosis, also known as TB, and the vaccine that protects against it. She also addresses common questions and discusses the relative risks and benefits of the disease and vaccine.
Watch the episode to find out:
- The dubious distinction TB holds among infectious diseases
- The two forms the disease can take in people
- The parts of the body that can be infected and the different symptoms that can result
- The pros and cons of the different TB tests
- Some of the considerations around antibiotic treatment
To learn more about TB disease and the vaccine to prevent it, please visit https://bit.ly/vec-tb.
Questions? Submit the VEC Vaccine Notes form, https://bit.ly/contact-vec-vaccine-notes.
For other vaccines, diseases or general questions about vaccines, check out https://vaccine.chop.edu.
Subscribe to our Parents PACK newsletter, https://bit.ly/3KfLUoO.

Mar 4, 2026
Mar 4, 2026
14 min
Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about Lyme disease and a potential new vaccine. She also addresses common questions and discusses the risks of Lyme disease in the absence of vaccination.
Watch the episode to find out:
- When and where Lyme disease was first identified
- What species of animals can be infected with the bacteria that cause Lyme
- Three things that have to happen for someone to develop Lyme disease
- The stages of Lyme disease symptoms
- The lessons we can learn from the original Lyme vaccine (no longer available)
- Why to be cautious about Lyme tests that are available without a prescription
To learn more about Lyme disease and the vaccine to prevent it, please visit https://bit.ly/vec-lyme-disease.
Questions? Submit the VEC Vaccine Notes form, https://bit.ly/contact-vec-vaccine-notes.
For other vaccines, diseases or general questions about vaccines, check out https://vaccine.chop.edu.
Subscribe to our Parents PACK newsletter, https://bit.ly/3KfLUoO.

Feb 25, 2026
Feb 25, 2026
12 min
Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about shingles and the vaccine that protects against it. She also addresses common questions and discusses the relative risks and benefits of the disease and vaccine.
Watch the episode to find out:
- Why the shingles rash tends to appear in certain places on the body
- Details about the length and severity of pain associated with shingles
- About how the virus is transmitted to others during an episode of shingles
- The differences between the current vaccine and an earlier version that is no longer available in the U.S.
- What we know about the potential for shingles vaccine to decrease the risk for dementia
To learn more about shingles and the vaccine to prevent it, please visit https://bit.ly/vec-shingles.
Questions? Submit the VEC Vaccine Notes form, https://bit.ly/contact-vec-vaccine-notes.
For other vaccines, diseases or general questions about vaccines, check out https://vaccine.chop.edu.
Subscribe to our Parents PACK newsletter, https://bit.ly/3KfLUoO.

Feb 18, 2026
Feb 18, 2026
12 min
Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about mpox and the vaccine that protects against it. She also addresses common questions and discusses the relative risks and benefits of the disease and vaccine.
Watch the episode to find out:
- When monkeypox virus was identified and where
- What changed that has made the virus more prevalent since 2022
- Why mpox patients sometimes require treatment similar to that of burn patients
- How mpox can affect digestion
- The differences between the two administration methods used for the mpox vaccine
- Where people looking to be vaccinated can check for vaccine availability
To learn more about mpox and the vaccine to prevent it, please visit https://bit.ly/vec-mpox.
Questions? Submit the VEC Vaccine Notes form, https://bit.ly/contact-vec-vaccine-notes.
For other vaccines, diseases or general questions about vaccines, check out https://vaccine.chop.edu.
Subscribe to our Parents PACK newsletter, https://bit.ly/3KfLUoO.
