Many people wonder what the difference is between the AstraZeneca and Pfizer vaccine with a push to get vaccinated. 

To help answer the question, we called in Dr Karl Kruszelnicki to answer our questions and explain the truth about the COVID vaccines.

Listen to Laurel, Gary & Mark’s full chat with Dr Karl below:

Missed Laurel Gary & Mark? Catch up by clicking play below and join us from 5:30AM every weekday!