Dealing with zoonotics requires a harmonized approach

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In late January, the Canadian Food Inspection Agency confirmed a turkey farm in British Columbia tested positive for the H5 strain of avian influenza (CBC News Story). Over fifty-thousand birds were destroyed and a quarantine of the 23 poultry farms within a 3-kilometre radius of the infected farm was instated. Although the risk to human health was estimated at nearly zero in this case, different strains of avian influenza (e.g., H5N1) have been linked to death and illness in humans in both Asia and Europe in recent years.

When an animal disease outbreak occurs in Canada it is natural to question Canada's game plan for preventing and managing zoonotics. Zoonotics are any infectious diseases that can be transmitted from animals to humans, or vice versa. Avian flu can be classified as a zoonotic because certain strains of avian flu are known to have infected humans. Tuberculosis is also a zoonotic; estimates are that "10% of human tuberculosis cases were related to cattle tuberculosis and raw milk consumption", which is why milk pasteurization was made mandatory.


Who in Canada is responsible for preventing and managing disease outbreaks and more specifically, zoonotics? A March 2008 report by KIS Collaborator Patricia Farnese and B. von Tigerstrom analyzed the legal framework for animal health in Canada to answer this question. As it turns out, there is dual jurisdiction, with both provincial and federal laws and regulations regarding animal health in place, In some instances provincial regulations are more stringent than the federal ones. However, if a conflict ever arises over which regulation to follow, the federal regulations always supersede the provincial regulations. The report concludes that dual jurisdiction results in a duplication of efforts between the province and nation for the most part, but examples exist where disease surveillance done at the provincial level is not required at the federal level.


The province of British Columbia is one such example; BC monitors diseases that are more prevalent in its turkey populations and those diseases are not required to be monitored at the federal level (p.18). This imbalance in disease surveillance and reporting raises a red flag. If both the provincial and federal levels have jurisdiction, yet there is no designated lead agency, the potential exists for each level to delay a response to an animal health crisis because of a mistaken assumption by each level that the other is handling the crisis. To counteract this potential for disaster, the report suggests harmonizing legal frameworks and improving information sharing.


Since the writing of the report, headway has made in the interface between how animal and human health are regulated. Health Canada established the Public Health Agency of Canada and Foreign Animal Disease Emergency Support Plans to bridge the gaps in the authority to prevent, control and eradicate zoonotic disease. Centers like the Center for Public Health and Zoonoses at the University of Guelph and InterVac at the University of Saskatchewan's Vaccine and Infectious Disease Organization (VIDO) are recent initiatives aimed specifically at dealing with zoonotic diseases. With these developments Canada is on the leading edge to develop the human capital to solve zoonotics problems, implement solutions to disease outbreaks and develop vaccines for humans and animals to prevent and treat zoonotic epidemics. It seems Canada is on track to ensure protocols and procedures are in place, with the CFIA named as the lead agency, so that these research centres can put their expertise to work in a timely manner should ever a zoonotic outbreak occur.

Further reading:
Farnese, P.L., B. von Tigerstrom. 2008. "Report on the Legal Framework for Animal Health in Canada." pp. 48.

This blog entry was authored by Kathy Larson using research conducted by KIS Collaborator Patricia Farnese (College of Law, U of S). To read additional Illative Blog entries or to leave comments on this entry, please visit www.illativeblog.ca. The Illative Blog is an initiative by the Knowledge Impact in Society (KIS) Project based out of the University of Saskatchewan. Email correspondence can be sent to kis.project@usask.ca

1 Comments

gavin said:

This is an interesting article!

Did you know that one of the largest reserviors of bovine tuberculosis in the country is in Wood Buffalo National Park (Managed by Parks Canada) adjacent to part of Canada's private cattle and bison herds?

Did you know that the laws, with respect to animal health and the spread of such diseases, do not apply to land managed by the Federal government?

Why?

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