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[Cholera in Fribourg. Apropos a case]
Schweizerische Medizinische Wochenschrift
|June 21, 1986
Summary
Cholera can occur even after vaccination, especially in travelers. This case highlights the need to consider cholera in individuals with watery diarrhea, regardless of recent vaccination status.
Area of Science:
- Infectious Diseases
- Tropical Medicine
- Vaccinology
Background:
- Cholera, caused by Vibrio cholerae, remains a significant global health concern, particularly in endemic regions.
- Vaccination is a key strategy for cholera prevention, but its efficacy and duration require ongoing monitoring.
- Switzerland had not registered a cholera case for four years prior to this incident.
Observation:
- A 41-year-old man from Cameroon presented with severe watery diarrhea three months post-cholera vaccination.
- Stool analysis confirmed the presence of Vibrio cholerae, biotype El Tor.
- The patient required intensive rehydration and metabolic support.
Findings:
- The case demonstrates a potential failure or waning of cholera vaccine effectiveness.
- Vibrio cholerae infection occurred despite recent vaccination, suggesting possible limitations in vaccine-induced immunity.
- Treatment focused on supportive care, including aggressive fluid replacement and acidosis correction, without antibiotic use.
Implications:
- This case underscores the importance of considering cholera in the differential diagnosis of watery diarrhea in travelers and immigrants, even those who have been vaccinated.
- It highlights the need for continued surveillance of cholera, especially in non-endemic areas with recent travel or immigration from affected regions.
- Further research into the duration of vaccine protection and the potential for breakthrough infections is warranted.