… held the top nursing position at Mass General for over two decades before retiring a few years ago, Ives Erickson did not hesitate when MGB asked her to jump into the midst of the world’s deadliest medical crisis in more than a century. “This is the public health crisis of our lifetime, so as a nurse, I knew … center, and he relished the opportunity. “Not every patient in a hospital needs to get a shot, so this is great experience,” he said. As the day came to a close, Ives …