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http://www.cmaj.ca/cgi/content/full/168/5/567
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CMAJ • March 4, 2003; 168 (5)
© 2003 Canadian Medical
Association or its licensors
CommentaryCommentaire |
Dr. Naus is Associate Director, Epidemiology Services, BC Centre for Disease Control, and Assistant Professor, University of British Columbia, Vancouver, BC. Dr. Scheifele is Sauder Professor of Pediatrics, University of British Columbia, Vancouver, BC, and Chair, Canadian Association for Immunization Research and Evaluation.
Correspondence to: Dr. Monika Naus, Associate Director, Epidemiology Services, BC Centre for Disease Control, 2nd floor, 655 W 12th Ave., Vancouver BC V5Z 4R4; fax 604 660-0197; monika.naus@bccdc.ca
Vaccines have proven to be our most cost-effective health care intervention, preventing millions of children and adults from contracting debilitating, disabling and sometimes fatal infectious diseases. Most children in Canada are routinely immunized against 9 of these diseases under programs offered and paid for by provincial governments. However, for 4 additional vaccines — those against meningococcal infection, pneumococcal infection, varicella and adolescent/adult pertussis — there is no uniform approach: these vaccines are offered in some provinces but not others (see News, page 5981), despite their potential to prevent diseases and their sometimes permanent complications, to avert hospital admissions and to save lives.2
To those of us working in health care professions geared to optimize the well-being of children, the strides made in the last several decades in providing access to vaccines seem to have been replaced by paralysis. In most provinces and territories today, parents of newborn children must decide whether to pay from their own pockets for the newer vaccines, or to let their children run the risk of contracting preventable diseases. In some provinces this can amount to $600 per child, an amount that many families would find prohibitive.
Canada stands apart from the United States, the United Kingdom and Australia in having a fractured immunization program by which each province and territory defines the list of publicly funded vaccines and immunization schedules. Even the much-maligned US health care system provides varicella and conjugate pneumococcal vaccines to the majority of children through the federally funded Vaccines for Children Program or private health insurance schemes. At the 5th Canadian National Immunization Conference, in December 2002, experts and policy-makers from across the country recommended that immunization be a national priority, anchored in a workable federal/provincial/territorial collaboration with strong federal leadership.2 There are several obvious reasons for this, the most important of which is that infectious diseases do not respect provincial or national boundaries. Only by immunizing a very large proportion of people — a feat that cannot be accomplished in a parent-funded immunization program — will we reap the full benefits of vaccination. Second, although new vaccines are not cheap, a national program of vaccine procurement and distribution would dramatically reduce per-unit costs and the security of supply. Vaccines are cost-effective compared with other health care interventions, but their economics are most favourable when they are delivered through organized, large-scale programs.
We recognize that, in Canada, health care is primarily a provincial or territorial responsibility and that some provinces have resisted federal involvement in health-related areas. In addition, until December 1998, when varicella vaccine was licensed for use in Canada, the provinces and territories were doing a good job of introducing newly licensed vaccines to prevent childhood morbidity and mortality, and of making sure their populations were immunized. Federal support has been limited to regulating vaccine licensure and lot-by-lot release, supporting the National Advisory Committee on Immunization and maintaining a small staff and budget to assist provinces and territories in coordinating limited activities.
But, during the 1990s — a time of cutbacks in health care budgets and a gradual weakening of public health in Canada3,4 — provinces and territories began to delay adopting new programs such as vaccination against Haemophilus influenzae type b disease and hepatitis B, which eventually were implemented in all provinces and territories. But provincial and territorial disparities have grown since the licensure of vaccines to prevent varicella, meningococcal group C infection, pneumococcal disease, and pertussis in adolescents: in most provinces and territories, none or few of these vaccines are publicly funded. These disparities are likely to widen as even more new vaccines reach the Canadian market. The not-too-distant future holds the promise of a variety of new vaccines against influenza, human papillomavirus, herpes simplex, HIV, chlamydia, gonorrhea, group A and B streptococci, rotavirus, herpes zoster, respiratory syncytial virus, parainfluenza, hepatitis C and a variety of other infectious and noninfectious diseases. We need a national strategy, national leadership and national funding.
Canadians have long cherished our universal health care program. We strive to make sure that all adults get treatment for diseases such as hypertension and even for risk factors such as hypercholesterolemia. But when it comes to protecting children and susceptible adults against much clearer threats to health, we as a nation have faltered. At present, only the rich can afford these effective vaccines. Underprivileged children, who are most at risk of a severe complication of infection and would benefit most from new vaccines, are least likely to receive them.5
The National Immunization Strategy2 is a masterpiece of collaborative planning and a model for federal/provincial /territorial cooperation toward improved health. As an early step in current health care reforms, it offers an opportunity for the federal government to demonstrate its leadership in a role that will be deemed by most Canadians to be appropriate. Decision-makers might fear that it would result in a never-ending demand for funding of new and increasingly expensive vaccines. But this can be dealt with by agreeing on criteria — including economic considerations — for the assessment of new technology.
We must end the current provincial vaccination hodge-podge that results in treating some children (and adolescents and adults) as more precious than others. We urge you to act quickly to put into place a national coordinated system of planning, procurement, implementation, monitoring and evaluation. The status quo is a sure recipe for chaos.
ß See related articles pages 561 and 589
Footnotes
Contributors: Dr. Naus was the principal author, and Dr. Scheifele contributed to the writing and revising of the manuscript. Both authors approved the final version.
Competing interests: Drs. Naus and Scheifele participated in the planning of the 5th Canadian National Immunization Conference, held in Victoria, BC, in December 2002, and chaired planning workshops for the National Immunization Strategy.
References
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| Collections under
which this article appears - Collections dans lesquelles cet article paraît: Canadian
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of health care Vaccination
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MATERIAL CONTAINED, PRESENTED, OR PROVIDED HERE IS FOR GENERAL INFORMATION
PURPOSES ONLY AND IS NOT TO BE CONSTRUED AS REFLECTING THE KNOWLEDGE OR OPINIONS
OF THE PUBLISHER, AND IS NOT TO BE CONSTRUED OR INTENDED AS PROVIDING MEDICAL OR
LEGAL ADVICE. THE DECISION WHETHER OR NOT TO VACCINATE IS AN IMPORTANT AND
COMPLEX ISSUE AND SHOULD BE MADE BY YOU, AND YOU ALONE, IN CONSULTATION WITH
YOUR HEALTH CARE PROVIDER.