The simple act of washing hands with soap and water is one of the best things to do in preventing the spread of COVID-19. But before 2020, it was also one of the most effective ways to prevent the spread of many other diseases, saving lives.\n\nOn this episode of This Is Why, we speak with a woman who has spread the message of handwashing to a billion people around the world.\n\nContact:\n\nAdam Toy - @Adam_Toy on Twitter\n\nDave McIvor - @d_mac1519 on Twitter\n\nThis is Why - @ThisIsWhy on Twitter\n\nEmail us - thisiswhy@globalnews.ca\n\nGuests:\n\nMyriam Sidibe, senior fellow at Harvard Kennedy School and founder of Brands on a Mission\n\nMyriam's TED talk: The simple power of hand-washing