“Viruses can be ill-mannered guests,” says Dr. Noam Stern-Ginossar, “freely helping themselves to the host’s cell machinery and using it to make more viruses.”

This video of a webinar, hosted by Weizmann Canada, presents expert virus investigator Dr. Stern-Ginossar of the Department of Molecular Genetics. In the context of COVID-19 and beyond, she explains the nature of viruses, why some are more dangerous than others, their various vectors – and how to prevent future pandemics.