Public health guidance refers to recommendations and directives from public health authorities that guide decisions affecting population health. Federal agencies like the Public Health Agency of Canada issue guidance on matters like vaccination schedules, disease prevention, and pandemic response. Provincial health officers provide guidance applicable within their jurisdictions. While some guidance is advisory, other directives may have legal force under public health legislation. Municipalities often implement public health guidance locally—operating vaccination clinics, enforcing health orders, and adapting facilities to meet guidelines. The COVID-19 pandemic demonstrated how public health guidance directly affects municipal operations, from transit to recreation services.