Unseen angelsForeword by Dre Joanne Liu The COVID 19 pandemic shone a light on the exceptional dedi cation of health care workers in Quebec guardian angels, in the words of Premier Franois Legault. But there were other, less visible angels whose role was also crucial in preventing and curbing the spread of this illness. These were the hundreds of community workers organized into patrols who knocked on the doors of the most vulnerable residents, listened to them,