Before the first wave of COVID-19 infections hit Massachusetts last spring, nobody was sure exactly when it would arrive. Experts only knew that it was on the way. By the time testing showed cases were rising dramatically, thousands of people had already caught the coronavirus.
“You’re behind the virus. You’re chasing it, always trying to catch up, and speed is absolutely of the essence,” says William Hanage, an epidemiologist at Harvard University. “The pace with which some of our response has taken place has just been too slow for it.”