'Virtual Assistant' to help Hamilton with case management and contact tracing for COVID-19 The City of Hamilton on Tuesday launched Virtual Assistant (VA), a new tool, which will enable Public Health Services to increase the speed and capacity for contact tracing and case management. Social Sharing Tool will add another level of support for residents, enhance HPHS case management and contact tracing efforts Posted: Feb 16, 2021 5:31 PM ET | Last Updated: February 16 Francesca Passer, a registered pharmacist technician, prepares a dose of the Pfizer-BioNTech COVID-19 vaccine at a vaccination clinic in Toronto. (Nathan Denette/The Canadian Press)