Massachusetts has fallen from 26th to 31st place when it comes to percent of population vaccinated against COVID-19, according to a Washington Post analysis. And while Gov. Charlie Baker has promised to stand up more vaccine infrastructure in the days ahead, the executive director of the MGH Center for Global Health, Dr. Louis Ivers, is raising concerns that there isn’t a moment to lose.

“We’re in a crisis, and you have to move fast when you’re in a crisis,” she said. “You’re not always perfect. But you can’t let perfect be the enemy of good enough and moving fast. We have to get control of this pandemic, because the dark winter … is going to be longer than winter if we don’t really make some moves now that are going to help us get through the spring and summer.”