U.S. will have enough vaccine for all Americans by summer: Biden

The variant first appeared in genomic surveys in the United Kingdom in September, but did not get tagged as a “variant of concern” until early December when its rapid spread stunned scientists and prompted lockdowns in southern England. “What concerns me is the exponential growth in the early stages doesn’t look very fast,” Andrew Noymer, an [associate professor of public health and] epidemiologist at the University of California, Irvine, who was not part of the new study, told the Post. “It kind of putzes along — and then goes boom.”