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If you don't subscribe to the new newsletter or follow me on Facebook and Twitter, you may not have heard: My new book Viral: The Search for the Origin of Covid-19, co-authored with the young and brilliant scientist Alina Chan, published this day last week and is now available to purchase.

Less than a week before that, Alina and I met in person for the first time, which you can watch on my YouTube channel.

We explore both natural spillover and lab leak possibilities in depth—and share which we determined, over the course of writing it, to be more likely.It was a challenging, frustrating, intriguing journey.

My article for the Telegraph:

It is almost exactly two years since the pandemic began. According to an official document seen by the South China Morning Post, the first retrospectively diagnosed case of Covid in Wuhan was on November 17 2019, while genetic analysis points to a similar date, November 18. (The so-called “patient zero” discussed in the media this week has been known about for months and is very unlikely to be the first case even according to the World Health Organisation.)

In the case of Sars, 19 years ago, and Mers, nine years ago, the first known cases were followed within a couple of months by unambiguous clues as to how the virus jumped from an animal source into people. Both viruses live naturally in bats, which had somehow infected intermediate animal hosts such as palm civets and camels before transmitting into people.

My article for Spectator:Two years in, there is no doubt the Covid pandemic began in the Chinese city of Wuhan. But there is also little doubt that the bat carrying the progenitor of the virus lived somewhere else.

Central to the mystery of Covid’s origin is how a virus normally found in horseshoe bats in caves in the far south of China or south-east Asia turned up in a city a thousand miles north. New evidence suggests that part of the answer might lie in Laos.

My article for Spectator:

China’s President Xi Jinping has apparently not yet decided whether to travel to Glasgow next month for the big climate conference known as COP26. That is no doubt partly because he’s heard about the weather in Glasgow in November, and partly because he knows the whole thing will be a waste of his time. After all, the fact that it is the 26th such meeting and none of the previous 25 solved the problem they set out to solve suggests the odds are that the event will be the flop on the Clyde.

But another reason he is hesitating was stated pretty explicitly by his Foreign Minister, Wang Yi: ‘Climate cooperation cannot be separated from the general environment of China-US relations.’ Roughly translated, this reads: we will go along with your climate posturing if you stop talking about the possibility that Covid-19 started in a Wuhan laboratory, about our lack of cooperation investigating that origin, or about what we are doing to Hong Kong or the Uighur people.