by Laura Dhillon Kane, The Canadian Press Posted Apr 8, 2021 5:57 pm ADT Last Updated Apr 8, 2021 at 6:09 pm ADT This undated electron microscope image made available by the U.S. National Institutes of Health in February 2020 shows the Novel Coronavirus SARS-CoV-2, yellow, emerging from the surface of cells, blue/pink, cultured in the lab. Also known as 2019-nCoV, the virus causes COVID-19. THE CANADIAN PRESS/AP-NIAID-RML via AP VANCOUVER — A medical director at the British Columbia Centre for Disease Control says the number of active COVID-19 cases that are variants of concern is higher than what has been publicly reported in the province.