A worrying coronavirus mutation is discovered in Washington state — but hasn’t spread
SEATTLE — Three COVID-19 infections diagnosed in Washington in October were caused by virus with a mutation that might boost the respiratory bug’s ability to dodge immune defenses. The mutation, called E484K, is also present in two of the worrisome new viral variants spreading around the globe — those that originated in South Africa and Brazil. But the virus detected in Washington did not have any of the other mutations that characterize those variants, said researchers at the UW Medicine Virology Lab. No other infections with the mutation have been detected since October, though surveillance ...
The Seattle Times