"Massachusetts coronavirus case numbers have lurched upward in recent days, in a worrisome development that experts say underlines the need for people to get vaccinated and to take precautions such as wearing masks in indoor public spaces.
Case numbers began rising from rock-bottom levels in early July, hit a peak in mid-September, and then declined until early this month. But in the past week or so, they began to rise again. The seven-day average of reported cases was 1,182 on Nov. 3. A week later, as of Nov. 10, it had jumped to 1,481. "