VEC Vaccine Notes

VEC Vaccine Notes

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.

Episodes

August 13, 2026 3 mins

Get ready for Season 4 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 new season. While Seasons 1 through 3 covered more than 30 vaccine-preventable diseases, Season 4 turns the focus toward addressing common vaccine safety concerns. Season 4 will dive into the science behind vaccine ingredients, e...

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Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about yellow fever and the vaccine. She explains the history of the yellow fever vaccine, how globalization and climate change impact the spread of yellow fever virus, and what steps travelers can take to protect themselves against mosquito bites. She also addresses common questions and the relativ...

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Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about typhoid and the vaccines. She shares the story of Mary Mallon, who was infamously known as "Typhoid Mary," to illustrate how people can be carriers of the disease, not having symptoms but still spreading typhoid. Moser offers tips on how travelers to high-risk areas can protect themselves fro...

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Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about Japanese encephalitis virus (JEV) and the vaccine that protects against it. She explains that the JEV vaccine is considered a travel vaccine, but it’s not recommended for all travelers to the Far East. She discusses the many considerations for making a vaccine recommendation. She also addresses common questions and...

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Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about hepatitis A and the vaccine. She explains what makes the hepatitis A virus so hardy and why everyone is at risk for infection. She addresses common questions about the opioid epidemic’s connection to outbreaks, travel precautions, and the differences between hepatitis A and B. She also discusses the relative risks ...

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Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about cholera and the vaccine. She explains why vaccination is not routinely recommend and what can be done to reduce the risk of cholera. She also addresses common questions and discusses the relative risks and benefits of the disease and vaccine.

Watch the episode to ...

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Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about dengue and the vaccines that protect against it. She explains why most people in the U.S. aren’t recommended to get the dengue vaccine, and why they can’t be vaccinated even if they are among those who could benefit from vaccination. She also addresses common questions and discusses the relative risks of deng...

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Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about cytomegalovirus, or CMV, and where things stand with vaccine development. She also addresses common questions and discusses the risks of CMV.

Watch the episode to find out:

  • Why pregnant healthcare workers in the 1980s couldn’t care for infants with CMV, but those today can (hint: It’s not because of a va...
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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 pr...
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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 ...
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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 meningococc...
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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 po...

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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 peopl...
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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 t...
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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 ...
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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 so...
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Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about rabies and the vaccines and treatments that protect against it. She also discusses the relative risks and benefits of the disease and vaccines.

Watch the episode to find out:

  • How a mom saved her son by begging for the first rabies vaccine to be tested on him and the irony of that son’s adult career
  • Why fewer t...
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Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about chikungunya 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 and where chikungunya was first identified and how that relates to its name
  • Where this disease is most common and how...
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Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about rotavirus 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 rotavirus vaccine is a good example of the robust nature of the vaccine safety monitoring systems in the U.S.
  • The sympt...
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Charlotte Moser, Co-Director of the Vaccine Education Center at Children's Hospital of Philadelphia, talks about anthrax 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:

  • How anthrax is part of the Sept. 11 history in the U.S.
  • Where in the U.S. is known as the “anthrax triangle”
  • Why a...
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