Combining genomics and epidemiology to investigate a zoonotic outbreak of rabies in Romblon Province, Philippines
2024

Investigating a Rabies Outbreak in the Philippines

Sample size: 60 publication 15 minutes Evidence: high

Author Information

Author(s): Yuson Mirava, Bautista Criselda T., Rees Eleanor M., Bogaardt Carlijn, Cruz Van Denn D., Durrant Rowan, Formstone Anna, Manalo Daria L., Manzanilla Duane R., Kundergorski Mikolaj, Nacion Leilanie, Aloyon Hannaniah, Bolivar Jude Karlo, Bondoc Jeromir, Cobbold Christina, Panganiban Efraim, Telmo Shynie Vee. M., Maestro Jobin, Miranda Mary Elizabeth G., Chng Nai Rui, Brunker Kirstyn, Hampson Katie

Primary Institution: University of Glasgow

Hypothesis

Can combining genomics and epidemiology enhance rabies surveillance and control in a previously rabies-free area?

Conclusion

The study found that improved surveillance tools can help manage rabies outbreaks and support the goal of eliminating dog-mediated human rabies.

Supporting Evidence

  • Rabies is a viral zoonosis that kills thousands of people annually in low- and middle-income countries.
  • The outbreak was seeded by at least three independent human-mediated introductions.
  • Considerable local transmission went undetected, leading to two human deaths.
  • Suspension of routine dog vaccination due to COVID-19 restrictions likely facilitated rabies spread.
  • Strengthened surveillance using IBCM and WGS can support One Health initiatives.
  • Emergency response measures were implemented but were insufficient to contain the outbreak.

Takeaway

This study looked at how scientists used new tools to find and stop rabies from spreading in a place that used to be free of it.

Methodology

The study used Integrated Bite Case Management (IBCM) and whole genome sequencing (WGS) to enhance rabies surveillance.

Potential Biases

Potential biases in reporting and sample collection due to the stigma associated with rabies and cultural practices.

Limitations

The study faced challenges due to COVID-19 restrictions, which affected training and implementation of surveillance tools.

Participant Demographics

The study involved various municipalities in Romblon Province, Philippines, with a focus on dog and human interactions.

Statistical Information

P-Value

0.03

Confidence Interval

95% CI: 0.14–3.36 days

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/s41467-024-54255-5

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