The new strain seems to be more easily transmitted than the standard form of the virus, which means those who are exposed are more likely to become infected.
The average turnaround time for test results rose 30% in Nov as people flocked to test sites before Thanksgiving. Pressure on labs is expected to intensify.
Private household gatherings continue to be a major source of transmission, according to Dr. Mark Ghaly, the state’s health and human services secretary.