01-28-2021, 07:51 PM
It would be remarkably rare for a new variant to spontaneously appear with the same exact mutations in the same places as one of the previously identified variants, but it's within the realm of possibility. (On the order of falling out of an airplane and surviving twice I'd imagine.)
Least untenable hypothesis would be that any matching strain that appeared first in South Africa and then a month later in Maryland was carried to Maryland rather than spontaneously arising in Maryland.
Least untenable hypothesis would be that any matching strain that appeared first in South Africa and then a month later in Maryland was carried to Maryland rather than spontaneously arising in Maryland.