Vaccine sceptics have been enjoying a victory lap today after AstraZeneca pulled its Covid-19 vaccine. Citing weak demand and the rise of other vaccines, the British-Swedish drugmaker announced that there would be a worldwide withdrawal.

But is weak demand really to blame? As some onlookers have pointed out, AstraZeneca admitted months ago that the drug could cause very rare, but life-threatening, injuries. It could well be that “weak demand” is a convenient foil for this rather more troubling revelation. No comment yet from the brain-wormed RFK Jr…