W5 Investigative Correspondent Avery Haines delivers an exclusive interview with Dr. Bruce Aylward, a Canadian physician, epidemiologist, and former Assistant Director-General of the World Health Organization. The interview discusses the circumstances of the COVID-19 pandemic, important steps that countries need to take to stop the spread of the disease, and actions individuals can take to prevent illness.

pt. 1. Dr. W.H.O.: W5 -- pt. 2. COVID-19: World at War with a Virus -- pt. 3. Questions Surrounding COVID-19 -- pt. 4. A Glimpse into Wuhan -- pt. 5. Canada's History of Coronavirus: How SARS Influenced the Preparation for COVID-19.