Dr. Theresa Tam still got a little choked up last week when the first Canadians were inoculated with a COVID-19 vaccine.“That was pretty emotional,” said Tam, in an interview reflecting back on the year many would like to forget.“I think everyone was touched by those images.” Moderna says its coronavirus vaccine no longer needs to be frozen during shipping It has been just 355 days since Tam saw the first emails warning of a pneumonia cluster in the Chinese city of Wuhan that had no known origin.