This pandemic can help us prepare for the next one, says Catherine Hankins, co-chair of Canada’s COVID-19 Immunity Task Force It’s been said that SARS-CoV-2 is just the beginning of the new war on viruses. What do you think the future has in store? Researchers are looking into whether some people have a reduced susceptibility to SARS-CoV-2. Could this explain why some have never been infected with it? What can genetic research poten­tially teach us about preventing or fighting infectious diseases in the future?