Variants, Sublineages, and Recombinants: The Constantly Changing Genome of SARS-CoV-2 Subject: Science and technology Section: Biotechnology Mutation When a virus replicates, it makes copies of all of its genes. In the process, it makes mistakes, like typos in the string of 30,000 letters that make up the SARS-CoV-2 genome. Those mistakes may result […]