He is also the medical director of the Public Health Laboratory at the British Columbia Centre for Disease Control.
During the COVID-19 pandemic, Krajden played a key leadership role in Canada's public health response.
Under his direction, the BC Centre for Disease Control, Public Health Laboratory, developed an accredited COVID-19 test within 10 days of the SARS-CoV-2 genome being released.
His role on these is because of his "expertise in medical microbiology, immunology, internal medicine and infectious diseases".
[16] In addition to more than 400 publications in peer-reviewed journals,[17] Krajden has been quoted in the lay press on subjects such as human metapneumovirus,[18] and SARS.