OVER
A BILLION PEOPLE ENTERED THE NEW MILLENNIUM UNTOUCHED BY THE health
revolution of the previous century.
For these people,
it is as if the medical advances of the last 100 years simply never
happened. Life expectancy in industrialized countries like Canada
is about 80 years and rising; in many developing countries, especially
in Africa, life expectancy is 40 years and falling. This represents
among the most pressing ethical challenges in the world today.
Genomics is
being heralded as the next stage of the health revolution. This
new field is expected to produce better diagnostics, new preventive
measures and accelerated drug discovery. Most genomics and other
biotechnologies, however, are being applied to the health problems
of industrialized nations, creating concern that the world is witnessing
the formation of a “genomics divide” between North and
South. This inequity, if unchecked, will result in even greater
disparities in health, as wealthier countries become healthier,
and the spread of infectious disease, the rise in chronic illness
and persistent environmental pollution continue to degrade health
and hold back progress in developing countries.
While better
health for all is an end in itself, the link between health and
economic development is also motivation to spread the medical benefits
of biotechnology worldwide. Along with improvements in health come
higher productivity, economic expansion and reduced population growth
as couples become confident that their children will survive into
adulthood.
In April 2002,
the World Health Organization released a report stressing the potential
of genomics for improving the health of the world’s poor.
While the preparation for that report was underway, a team from
the Joint Centre for Bioethics at the University of Toronto –
a WHO collaborating centre – took the work of WHO a step further
by conducting a biotechnology foresight exercise to identify the
top 10 biotechnologies with the greatest promise of improving global
health within a decade, particularly in the world’s poorer
countries. The study, funded by Genome Canada, the Ontario Genomics
Institute, the Ontario Research and Development Challenge Fund and
other partners, represents the collective opinion of 28 eminent
international scientists and experts in genome-related technology
and global health issues.
THE
TOP 10 LIST INCLUDES:
- Genetically-engineered
vaccines that are cheaper, safer and more effective than current
vaccines, and which hold new promise in fighting HIV/AIDS, malaria
and tuberculosis (e.g., DNA technology to design an AIDS vaccine
candidate specifically for Africa)
- Alternatives
to needle injections (e.g., inhalable drugs, powdered vaccines)
that could make vaccine and drug delivery safer, easier to administer
and potentially less expensive
- Genetically-modified
bacteria and plants that can clean up contaminated air, water
and soil
- Vaccines
and vaginal microbicides to enable women to protect themselves
against sexually transmitted infections
- Genetically-modified
staple foods such as rice, potatoes, corn and cassava with enhanced
nutritional value
This list debunks
the myth that biotechnology cannot provide tools for disease prevention
and health promotion. Vaccines are “high tech” but are
also the mainstay of prevention of infectious disease worldwide.
While we hope
this report will receive the serious consideration of health and
science ministers worldwide, and of the international donor community,
the potential of genomics and other biotechnologies must not overshadow
the proven utility of conventional approaches, such as health education
and the alleviation of poverty. Biotechnology should be seen as
one more available tool, with all of its associated strengths and
weaknesses, to improve the state of the world’s poor. This
balance is critical.
Peter Singer
is Director of the Joint Centre for Bioethics. Abdallah Daar is
the Director of the JCB’s Program in Applied Ethics and Biotechnology.
For their full report, visit www.utoronto.ca/jcb.
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