COVID-19 variant spread.They write that Ontario is at a “critical point in the pandemic.”“We are being led down a very dangerous path by using ICU capacity as a benchmark for tolerance of COVID-19 spread,” the letter reads. “We do not agree with this approach and believe new public health measures are required immediately in order to regain control of the pandemic and save lives.” Ontario government moves to activate 4-week, provincewide COVID-19 ’emergency brake’ The letter, signed by more than 150 physicians, also indicates the growth of VOCs (variants of concern) in the province is exponential.“This matters because VOCs spread more easily, creating rapid growth, which becomes much harder to get back under control.