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 boosters at close intervals be causing more harm than good?
Earlier this year, the European drug regulator sent a dire warning to the world. The agency was concerned that repeated boosters every four months could weaken a person’s immune response to the coronavirus.Marco Cavaleri, the agency’s head of vaccines strategy, said that regular boosters might be “overloading people’s immune systems and leading to fatigue.” I spoke with Cody Meissner, an FDA advisory member, ahead of the agency’s April 6 meeting, during which experts were to discuss the evidence for a fourth dose. He told me that he was not convinced by the data at the time.
“I personally don’t think that we have sufficient basis on which to recommend a fourth dose, and we don’t know what the harm will be,” said Meissner....<<<Read More>>>...