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An ethical dilemma in rabies immunisation

T J John1

  • 1Christian Medical College, Vellore, India.

Vaccine
|April 1, 1997
PubMed
Summary

India faces a public health challenge with rabies, using the unsafe Semple vaccine. Safer, though more expensive, cell culture vaccines are available, necessitating a shift towards prioritizing safety in rabies prevention strategies.

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Area of Science:

  • Public Health
  • Vaccinology
  • Neuroscience

Background:

  • Rabies remains a significant public health concern, particularly in India and other developing nations.
  • India annually administers post-exposure prophylaxis to approximately 700,000 individuals using the Semple (sheep brain) vaccine.
  • The Semple vaccine, while government-provided and presumed inexpensive, carries risks of serious neurological side effects, including demyelination, in 1 in 3000-7000 vaccinated individuals.

Purpose of the Study:

  • To address the ethical dilemma of using the unsafe Semple vaccine when safer alternatives exist.
  • To advocate for the economical and safe use of cell culture rabies vaccines.
  • To emphasize the critical importance of vaccine safety alongside cost-effectiveness in public health decisions.

Main Methods:

  • Review of current rabies vaccination practices in India.
  • Comparison of safety profiles and costs of Semple vaccine versus cell culture rabies vaccines.
  • Ethical analysis of vaccine selection in the context of available alternatives.

Main Results:

  • The Semple vaccine, despite its widespread use, is associated with potentially fatal neurological adverse events.
  • Cell culture rabies vaccines offer a safer alternative, suitable for both pre- and post-exposure prophylaxis.
  • A significant cost disparity exists between the Semple vaccine and cell culture vaccines, posing a barrier to adoption.

Conclusions:

  • Continued reliance on the Semple vaccine is ethically questionable given the availability of safer cell culture alternatives.
  • A decision-making framework prioritizing vaccine safety over cost is urgently needed, supported by medical professional bodies.
  • Efforts to reduce the production cost of cell culture rabies vaccines are essential for broader accessibility and improved public health outcomes.
Keywords:
Health Care and Public Health

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