The virus variant is "significantly more contagious" than the SARS-CoV-2 virus, state health officials say. So far, there is no evidence that the B.1.1.7 variant causes more severe illness or increased risk of death.
Health care workers are bracing for a deadly January, and President-elect Joe Biden cautioned that "the next few weeks and months are going to be very tough."
Mathematical modeling suggests that the mutations in this variant make the virus more transmissible. What does that mean for preventive measures — and the new vaccines?
