“Here we are in one of the most vaccinated states in the country dealing with another surge of COVID,” said Dr. Eric Dickson, president and CEO of UMass Memorial Health, where a daily survey taken this week found 40% of COVID patients had been vaccinated, so had 25% in the ICU. “The only way that could really happen is if there’s waning immunity from the vaccines..., and that’s clearly happening,” Dickson said.