Dr. Melissa Andrew is an Associate Professor of Medicine and consultant in Geriatric Medicine at Dalhousie University in Halifax, Nova Scotia.

Dr. Andrew is an Associate Member of the Canadian Center for Vaccinology. As part of the Canadian Immunization Research Network, she is co-Principal Investigator of the Serious Outcomes Surveillance (SOS) Network, where she studies how frailty impacts both vaccine effectiveness and clinical outcomes of influenza and pneumococcal infections in older people.