Coronavirus: Sars-CoV-2, a virus that mutates while traveling

To follow Sars-CoV-2, a group of researchers focused on the evolution of the genome rather than on the movements of infected people. A method that reveals a new geography of the pandemic.

Sars-CoV-2, the virus that caused the Covid-19 pandemic, is, like any virus, changing. This does not mean that it is becoming more and more aggressive, but these mutations are an important tool for monitoring its development, its geographic movements, and for developing a vaccine.

In a new knowledge sharing exercise on a global scale, a group of researchers led by a biologist from Seattle, in the United States, collects all the data on the sequencing of the virus on its site, NextStrain.

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