Health
Why the COVID-19 variants are so dangerous and how to stop them spreading – Australian Times
Changes in the genetic code of viruses like COVID-19 occur all the time but most of these mutations don’t have any effect on how the disease spreads or its severity….

Michael Plank, University of Canterbury and Shaun Hendy
With new, more infectious variants of COVID-19 detected around the world, and at New Zealands border, the risk of further level 3 or 4 lockdowns is increased if those viruses get into the community.
Shutterstock/Lakeview Images
These include a variant called B.1.1.7 that has spread very quickly within the UK, with other new variants now observed in South Africa and Brazil.
Changes in the genetic code of viruses like COVID-19 occur all the time…
Continue Reading