The press is struggling to describe the new mutations and variants that have been discovered in South Africa, Kent, Brazil, etc and what they might mean. The variants have incomprehensible names like B.1.1.7 and preliminary vaccine tests against them have been misreported. So what’s going on? What can mutations do? Most mutations will be…

The results of the covid-19 vaccine clinical trials are very complex and can’t be easily interpreted. A lot of news stories are putting too much emphasis on percentages that are meant to be estimates and aren’t hugely accurate. So this article is about how those numbers are calculated, and what…

Short summary: Don’t panic, but vaccination is not a magic bullet. I’m going to refer to the mutations Eeek and Ken in this article, both of which are changes to the covid-19 genes that help the virus escape antibodies a small amount in immune/vaccinated people. …