Mutated COVID-19 sparks closures, questions
b'A new strain of coronavirus in the United Kingdom has triggered border restrictions internationally and in Canada. It\\u2019s also sparked many questions. Dr. Isaac Bogoch is an infectious diseases physician and a member of the Ontario government\\u2019s vaccine task force. Today, he shares his thoughts on the mutation and explains its potential impact on treatment and transmission of the virus \\u2014 and even vaccine efficacy.'