Is Pfizer safer than AstraZeneca? 👨‍⚕️ Dr Ross Walker reveals COVID vaccine efficacy and more

02:35 – Is Pfizer better than AstraZeneca?06:22 – If someone is fully vaccinated what is the efficacy?08:50 – How bad is the Delta strain?12:09 – "I don't see any benefit in getting vaccinated"15:46 – Why are schools locked down this time?18:03 – Your views on 'Zero cases'19:30 – What would you do if you were a politician?21:16 – What are the chances of getting to zero cases?23:50 – Mask shaming: Do you need to wear a mask outdoors?Dr. Ross Walker is one of Australia’s leading preventative he...