In hunt for Covid’s origin, new studies point away from lab leak theory

Amid the heavily politicised debate, a lot of evidence now points to a natural spillover event – but other causes cannot be ruled out

The coronavirus pandemic has raised so many questions as it has continued its inexorable spread across the planet, but perhaps the first of them remains the most contentious: where did Sars-CoV-2 come from?

In recent weeks there has been renewed focus on whether it could have escaped from a Chinese laboratory. However, new findings strengthen the case for a natural origin, in what has become a heavily politicised debate.

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