Viral

<p><strong>"Chan and Ridley write with an urgency...that inspires gripping depictions of what viruses are, how infectious-disease laboratories work and wonderfully lucid descriptions of bats. . . . They powerfully recount how dangerous pathogens can both leak from a lab and emerge in nature." (<em>New York Times Book Review</em>)</strong> </p><p><strong>Understanding how Covid-19 started is crucial for the future of humankind. <em>Viral i</em>s the most incisive and authoritative book about the search for the source of the virus.</strong></p><p>A new virus descended on the human species in 2019 wreaking unprecedented havoc. Finding out where it came from and how it first jumped into people is an urgent priority, but early expectations that this would prove an easy question to answer have been dashed. Nearly two years into the pandemic, the crucial mystery of the origin of SARS-CoV-2 is not only unresolved but has deepened.</p><p> In this uniquely insightful book, a scientist