The Coronavirus Will Surprise Us Again
To understand how the coronavirus keeps evolving into surprising new variants with new mutations, it helps to have some context: The virus’s genome is 30,000 letters long, which means that the number of possible mutation combinations is mind-bogglingly huge. As Jesse Bloom, a virologist at the Fred Hutchinson Cancer Research Center, told me, that number far, far exceeds the number of atoms in the known universe.


























