Dr. Mao gives the latest update on covid-19 and answers questions about the similarities and differences between the recently approved Pfizer and the Moderna vaccines, as well as the still to be approved oxford/AstraZeneca vaccine, their efficacy rates, and potential side effects and encourages discussion with one’s doctor about which one is right or not right for you.

Dr. Mao gives the latest covid update and the new mRNA vaccine announced by Pfizer and discusses how it works as contrasted with conventional vaccines, advantages, and potential challenges.