Chikungunya-related Fatality Rates, Mauritius, India, and Reunion Island
2008

Chikungunya-related Fatality Rates in Mauritius, India, and Reunion Island

publication Evidence: moderate

Author Information

Author(s): Renault Philippe, Josseran Loic, Pierre Vincent

Primary Institution: Cellule Interrégionale d'Épidémiologie Réunion-Mayotte

Hypothesis

What are the fatality rates associated with chikungunya infection in different regions?

Conclusion

The case-fatality rate for chikungunya was significantly higher in Mauritius and Ahmedabad compared to Reunion Island.

Supporting Evidence

  • The case-fatality rate on Reunion Island was estimated to be 1/1,000 population.
  • Fatality rates in Mauritius were estimated at approximately 4.5%.
  • Ahmedabad had a similar case-fatality rate of 4.9% during the chikungunya epidemic.

Takeaway

Chikungunya made many people sick, and more people died from it in Mauritius and India than in Reunion Island.

Methodology

The study estimated fatality rates by comparing observed and expected deaths during the chikungunya epidemic.

Potential Biases

Differences in surveillance systems may affect the reported fatality rates.

Limitations

The study relies on reported deaths and may not account for all cases.

Participant Demographics

The study discusses populations in Mauritius, India, and Reunion Island.

Digital Object Identifier (DOI)

10.3201/eid1408.080201

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication