In these short videos, Dr. Offit addresses scientific concepts related to infectious diseases and the immune system. The video series can also be accessed through a YouTube playlist.

• January 2023 — Viral Transmission, Human Immunity and the Gap Called “Immunity Debt”
• July 2021 — Blood Clots: How Those That Follow COVID-19 Vaccination Differ
• June 2020 — Bad Studies: Yes, They Exist. How Can You Identify Them?
• April 2020 — Can Vaccines Cross the Blood-Brain Barrier?
• February 2020 — How Does Natural Infection with Measles Suppress the Immune System?
• November 2019 — Babies’ Immune Systems: What Can They Handle?
• May 2019 — Can a Blood Test Replace a Vaccine Dose?
• January 2019 — The Stages of Viral Infection: How HPV and Shingles Play a Long Game
• September 2018 — How Are Strains of Influenza Chosen for the Annual Vaccine?
• June 2018 — Are Maternal Antibodies Considered When the Vaccine Schedule Is Made?