A new COVID variant, marking a fusion between two recent strains that is even more contagious than its predecessors, is beginning to take hold in the U.S., but what exactly is it, how serious is it and what are the symptoms?
One concern is that recent strains of COVID have left some treatment options ineffective.
"As this virus continues to mutate, what we have seen is that all of what are called our monoclonal antibodies, our clinical monoclonal antibodies are inactive against these most recent subvariants," Arwady said.
"It's in that variant of interest category. We label it, we monitor it, we give it those those alphabet soup of letters to be able to keep track of it, but the big worry is if we see something emerge and grow to be a new variant of concern, meaning it gets a new letter in the Greek alphabet," Arwady said."We haven't had one of those in a year. I hope we never have one again.
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