Why are more contagious COVID variants emerging?

Why are more contagious COVID variants emerging?

By David Welch, Jemma Geoghegan, Joep de Ligt & Nigel French Why are more contagious variants emerging now, more than a year into the COVID-19 pandemic? New variants of SARS-CoV-2 have now evaded New Zealand’s border protections twice to spread into the community....
How dangerous are the new COVID variants?

How dangerous are the new COVID variants?

By Lucy van Dorp New variants of SARS-CoV-2, the virus which causes COVID-19, is thought to be driving increased transmission of the disease around the world. A new variant of SARS-CoV-2, the virus which causes COVID-19, is thought to be driving increased transmission...