A 5th jab? Implications for the immune system

FDA advisory member hints at 'original antigenic sin'

Following the recent authorisation of the new omicron boosters, the former US Surgeon General encouraged Americans to receive two to four mRNA jabs annually.

Residents in northeast Australia have been told they might need a fifth dose by the end of the year.

In fact, it wasn’t that long ago that New South Wales’ top doctor said that people should expect to receive covid-19 booster shots “indefinitely.”

But could repeated covid-19 boosters at close intervals be causing more harm than good?  I speak with experts concerned that policymakers are not following the science.