Table 3. Public Health Orders in British Columbia relating to mink farms, 2020 to 2021.

Public Health Orders	Descriptions
December 14, 2020: Fraser Health Authority Medical Health Officer Order
COVID-19 Safety Plans and enhanced biosecurity	Mandating provision of the COVID-19 Safety Plans to FH, for review and approval by FH. As part of the safety plan requirements, enhanced use of personal protective equipment was required, including the usage of N95 or equivalent protection, eye protection, protective clothing, safety footwear that can withstand disinfection, for all activities occurring in close proximity to mink or mink feed.
Worker registry and human testing	Providing a list and contact information of all employees, contractors, volunteers, owners and operators or other individuals who have worked at the mink farm in the last three months, to facilitate epidemiological investigation if needed and ascertain workers compliance with testing or other measures as needed. Asymptomatic testing of all mink farmworkers (not already tested) to occur by a specific date, after which untested workers would not be allowed on premises, for initial case ascertainment. Serological testing of workers, to clarify if workers might have had an infection in the past.
Animal surveillance and testing	Mandating participation in an animal surveillance system, to be specified by FH, which included weekly submission of mink mortality for testing, with the hope of detecting infections early in asymptomatic herds to implement further monitoring and risk mitigation measures to prevent mink related strain transmission and spread to humans.
Movement restriction of mink, mink products, and pelt	Restriction on moving mink or mink-related products between farms, to limit opportunities for the spread of the virus, which occurred in other zoonoses outbreak in BC and COVID-19 outbreaks in other countries. Restriction on moving pelts until compliance with the terms of the order, as assessed by FH.
April 15, 2021: Fraser Health Authority Medical Health Officer Order
Vaccination	Mandatory vaccination of workers who work in close proximity to mink. Mandatory record keeping of workers’ vaccination status.
July 26, 2021: Provincial Health Officer Order
Moratorium on mink farming expansion	Farms must report the number of breeding mink stock, non-breeding mink and total mink on the farm. Must not allow the number of breeding mink or non-breeding mink stock to exceed their reciprocal number as the date of this order. Must not acquire new live mink.

Abbreviations: BC, British Columbia; COVID-19, coronavirus disease 2019; FH, Fraser Health Authority