Why Are Two Doses of the COVID-19 mRNA Vaccine Required?
Dr. Paul Offit talks about why getting the second dose of COVID-19 vaccine is important for protecting against moderate to severe disease.
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What Are the Different Ingredients Being Used in the COVID-19 mRNA Vaccines?
Dr. Paul Offit talks about what ingredients are — and are not — in COVID-19 mRNA vaccines.
COVID-19 Vaccine Q&A with CHOP Immunology
A series of COVID-19 Vaccine Q&A with members of CHOP Immunology
Normal Lymphatic Anatomy and Flow Video
Watch this video of lymphatic flow and drainage from the Jill and Mark Fishman Center for Lymphatic Disorders at CHOP.
Giving an Insulin Injection Using a Pen
This video demonstrates how to give insulin using a pre-filled pen, including where and how to give the injection, supplies you’ll need, how to dispose of the used pen needle, and more. En español.
Do mRNA Vaccines Contain Antibiotics?
Dr. Hank Bernstein talks about COVID-19 mRNA vaccines ingredients, including antibiotics.
What Is the Difference between Vaccine Efficacy and Vaccine Effectiveness?
Dr. Hank Bernstein explains why there may be a difference between clinical trial findings and those found when the general population gets a vaccine.
What Stops the Body from Continuing to Produce the COVID-19 Spike Protein after Getting an mRNA Vaccine?
Dr. Hank Bernstein explains how the mRNA from the COVID-19 vaccine is broken down and removed from the body.
How Long Will COVID-19 Vaccine Immunity Last?
In this short video, Dr. Hank Bernstein talks about immunity after COVID-19 vaccination. He also talks about protection and immunity after natural infection.
Can Women Who Are Pregnant Get the COVID-19 Vaccine?
In this short video, Dr. Hank Bernstein talks about the safety of COVID-19 vaccine during pregnancy.