Experts: Vaccinations are underway, but you should keep wearing your mask By Martin Finucane Globe Staff,Updated February 3, 2021, 2:05 p.m. Email to a Friend Leonard Lee, founder of "Masking the Community," a grassroots effort that has distributed tens of thousands of masks to low-income residents, held up a sign on a Dorchester median strip last week. Experts say people should keep wearing masks and not let their guard down.Craig F. Walker/Globe Staff Donât let the beginning of the coronavirus vaccination campaign keep you from wearing your mask and taking other precautions, experts say. âThe message I want to put out today is that it remains important to practice well-established evidence-based prevention measures,â said Dr. Joshua Barocas, an infectious disease specialist at Boston Medical Center and a professor at the Boston University School of Medicine.