back-to-school in full swing and cold and flu season looming, long line-ups at Kingston’s COVID-19 testing are prompting questions about who in fact should be screened.Elizabeth Bardon, vice president of mission and strategy integration and support services at Kingston Health Sciences Centre told Global News there are several groups of people who are being advised to get tested.“People who have been asked by public health to come for testing because their contact tracing results have suggested that they’ve been exposed.