Mandatory masking at Logan Airport and on the T is now a thing of the past. At the same time, many schools, workplaces, museums and stores have also shed their mask requirements. For those who are ...

With U.S. Covid-19 cases at very high levels and new vaccines still several weeks away, we asked experts for their advice on when and where to wear a mask. By Ceylan Yeğinsu and Dani Blum It is the ...