A series of cell phone tower fires in Europe and Canada have been linked to a conspiracy theory about 5G networks and the coronavirus \u2014 a theory that\u2019s been boosted by celebrities and politicians, and that has deep ties to the anti-vaccine movement.\n\nToday, CBC Senior Investigative Reporter Katie Nicholson joins us to break down the conspiracies, and talk about how they could have serious implications for the fight against COVID-19.