Can mRNA Vaccines Alter a Person’s DNA?
Dr. Paul Offit explains why it’s not possible for mRNA vaccines to alter a person’s DNA.
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Are Fetal Cells Used to Make COVID-19 Vaccines?
Dr. Paul Offit talks about fetal cells and COVID-19 vaccines.
Do COVID-19 Vaccines Cause Antibody-dependent Enhancement (ADE)?
Dr. Paul Offit explains why COVID-19 vaccines are unlikely to cause a worsening of disease, called antibody-dependent enhancement.
Do COVID-19 Vaccines Cause Infertility?
Dr. Paul Offit explains why infertility is not a concern following COVID-19 or receipt of the COVID-19 vaccine.
Do COVID-19 Vaccines Disrupt the Immune Response?
Dr. Paul Offit discusses concerns about COVID-19 vaccines and the immune system.
Should I Still Get a COVID-19 Vaccine If I Was Previously Infected?
Dr. Paul Offit explains why people who were previously infected with SARS-CoV-2 should still get the COVID-19 vaccine.
Who Should Not Get the COVID-19 mRNA Vaccines?
Dr. Paul Offit talks about two groups of people who should not receive the COVID-19 mRNA vaccine.
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.
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