Dr. Bonnie Mallard, Professor of Immunogenetics at the University of Guelph, talks about the immunological aspects of the new vaccines for COVID-19, COVID-19 PCR tests, and antibody testing before and after vaccination.

Dr. Bonnie Mallard, Professor of Immunogenetics at the University of Guelph, talks about the immunological aspects of the new vaccines for COVID-19, COVID-19 PCR tests, and antibody testing before and after vaccination.