When the messenger is distrusted, adherence to public health advice fails. Anti-mask protesters hold signs during a demonstration against measures taken by public health authorities to curb the spread of COVID-19 in St. Thomas, Ont., in November 2020. THE CANADIAN PRESS/Geoff Robins

Public health campaigns can be ruined by the personal conduct of politicians

When politicians disregard public health directives, new research shows it causes the public to distrust governments’ handling of crises like the COVID-19 pandemic.

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