Despite vaccinations and many corona infections that have been survived, there are always new variants in the pandemic. What are the mutations aimed at? And what can we do?
It just doesn’t stop. Virus follows virus, variant after variant. Early in the pandemic, our heads began to spin because we had to learn through genetic analysis that there was not just the one Sars-CoV-2 that had probably discovered us humans as a useful new species at the end of 2019, but a whole assortment of related virus types.