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Vaccines and Your Baby Video Series
In this video series, physicians at The Children's Hospital of Philadelphia explain how vaccines work and how they are made. The video also describes several vaccines and the diseases they prevent. Families share their stories of children affected by vaccine-preventable diseases.
Videos in this Series
- Introduction: Vaccines and Your Baby
- Before the Chickenpox Vaccine
- How Vaccinations Cause Immunity to Infectious Diseases
- NOW PLAYING
What is a Virus in the Body? - How the Chickenpox Vaccine Works
- Why the Hepatitis B Vaccine Is Important
- Why the Pneumococcal Vaccine Is Important
- How the Hib Vaccine Has Helped Alleviate Meningitis
- What the DTaP Vaccine Is and Diseases It Prevents
- The MMR Vaccine Prevents Three Viruses
- The Importance of the Polio Vaccine
- Do Vaccines Have Side Effects?
- How are Vaccines Tested for Safety?
- Can Babies Handle Vaccines So Young?
Transcript: What is a Virus in the Body?
Kathleen Sullivan, MD: In order to understand how vaccines are made, we must first understand how viruses work. Viruses are constructed kind of like these.
But unlike hard candy, the shell of the virus is made of protein and instead of chocolate, the center of the virus consists of genes. Genes are simply blueprints that tell viruses how to duplicate or reproduce themselves.
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