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Updated: Sep 29, 2026

Field Postmortem Rabies Rapid Immunochromatographic Diagnostic Test for Resource-Limited Settings with Further Molecular Applications
Published on: June 29, 2020
[Rabies encephalomyelitis with myocarditis and pancreatitis. Report on a case recently imported into France]
P Hofman1, H Bourhy, J F Michiels
1Service d'Anatomie et Cylologie Pathologiques, Hôpital Pasteur, Nice.
Abstract:
We report the case of a 29 year-old man who died from rabies in France, following a dog-bite during a trip in Mexico. Although it was clinically suspected, the diagnosis was uncertain until he died because of digestive, cardiac and psychiatric misleading symptoms associated to the neurologic disorders. Post mortem diagnosis was based upon virological study in immunofluorescence on cerebral smears, viral isolation on cell-culture, and ELISA. It was confirmed by light microscopy examination which showed numerous Negri bodies, and ultrastructural study of the rhabdovirus in the central nervous system. Extranervous lesions, especially myocarditis and pancreatitis, were observed and their meaning is discussed. The physician is exceptionally confronted to the diagnosis of human rabies in France. Nevertheless, the lack of compulsory antirabic vaccination and the increase of touring in enzootic countries increase the risk of infection. As an intra vitam diagnosis in frequently lacking, the diagnosis of rabies infection needs a complete post mortem virological study as well as an histological and ultrastructural examination of the central nervous system.
Insights
A 29-year-old man died from rabies in France after a dog bite in Mexico. Misleading symptoms complicated diagnosis, highlighting the need for comprehensive post-mortem testing for human rabies.
Area of Science:
- Virology
- Neurology
- Pathology
Background:
- Human rabies is rare in France, but travel to endemic areas increases infection risk.
- Lack of compulsory rabies vaccination and increased international travel pose public health challenges.
Observation:
- A 29-year-old man presented with neurological, digestive, cardiac, and psychiatric symptoms following a dog bite in Mexico.
- Clinical diagnosis of rabies was challenging due to atypical and misleading symptoms.
Findings:
- Post-mortem diagnosis confirmed rabies through immunofluorescence, viral isolation, ELISA, light microscopy (Negri bodies), and electron microscopy (rhabdovirus).
- Extraneural lesions, including myocarditis and pancreatitis, were observed and analyzed.
Implications:
- This case underscores the importance of thorough post-mortem virological and histological examinations for diagnosing rabies.
- Physicians must consider rabies in travelers returning from endemic regions, even with atypical presentations.
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