Last week, we heard a call to action from Dr. Rosana Salvaterra, Peterborough's Medical Officer of Health. She asked retired healthcare workers to come forward to volunteer for the vaccination effort. Dr. Gordon Powell, a retired family physician in Peterborough, explains why he and others have offered to help; Dr. Piotr Oglaza, the Medical Officer Of Health for Hastings-Prince Edward County, talks about making the transition to 'Green' with much fewer restrictions; Dr. Andrew Bond co-chairs the Canadian Network for the Health and Housing of People Experiencing Homelessness. He outlines the continuing need for financial support and addresses the importance of seeing that those who are homeless are vaccinated; Jeffrey Rosenthal, a professor of Statistics at the University of Toronto and author of the book "Knock on Wood: Luck, Chance, and the Meaning of Everything" talks about the 'science' of luck; Taryn Grieder studies the link between stress and drug use at Trent University. She talks about the opioid crisis in Peterborough in the context of her work; Kimberly Sutherland Mills of the Kingston Frontenac Library recommends some books on plants and gardens; Jewelles Smith is the Communications of the Council of Canadians with Disabilities explains why they think vaccinating people with disabilities, their families and their support workers should be given priority to receive the covid vaccine; Dan Rubinstein, author of 'Born to Walk', extols the virtues of putting one foot in front of the other.