Harry Cayton, international expert on professional regulation and former director of the Professional Standards Authority in the UK, has called for healthcare professionals promoting or participating in anti-mask or anti-vaccination behaviors to "be challenged by the regulator." Cayton acknowledges the struggle regulators are dealing with to draw a line between the importance of respecting personal opinion and keeping the public safe from COVID-19. In response to the difference in approach seen among Canadian provinces, Cayton told CBC News, "If necessary, government has to step in and clarify the laws around these things." He calls on regulators to put the public interest first and foremost and test whether the legislation will allow action against these practitioners.