Jay Bhattacharya, senior fellow of the Brownstone Institute and a professor at Stanford University, was one of three signers of the Great Barrington Declaration. In this interview with Unherd, conducted by Freddie Sayers, he reflects on the aftermath and how events have transpired since the document was signed and promulgated. He speaks to a range of issues from lockdowns to vaccines and mandates. Jay further reflects on the incredible silence surrounding the unprecedented use of lockdowns that contradict all 20th-century public-health practice. He addresses the political claims made against the Declaration and his own take on what it was like to be embroiled in the storm then and now. We’ve been vindicated. The lockdowns were the single biggest mistake in public health history. I don’t see how anyone can look at lockdown and say ‘that was successful policy’. We’ve had lockdowns in country after country after country. Would you call …