Rift Valley Fever Outbreaks in Madagascar (2008-2009)
Author Information
Author(s): Andriamandimby Soa Fy, Randrianarivo-Solofoniaina Armand Eugène, Jeanmaire Elisabeth M., Ravololomanana Lisette, Razafimanantsoa Lanto Tiana, Rakotojoelinandrasana Tsanta, Razainirina Josette, Hoffmann Jonathan, Ravalohery Jean-Pierre, Rafisandratantsoa Jean-Théophile, Rollin Pierre E., Reynes Jean-Marc
Primary Institution: Institut Pasteur, Antananarivo, Madagascar
Hypothesis
The study aims to investigate the circulation and impact of Rift Valley fever virus (RVFV) during the rainy seasons in Madagascar.
Conclusion
Rift Valley fever virus circulated widely in Madagascar during the 2008 and 2009 outbreaks, affecting both humans and animals across multiple districts.
Supporting Evidence
- RVFV outbreaks were confirmed in at least 92 of Madagascar's 111 districts.
- Human and animal infections were reported during the rainy seasons of 2008 and 2009.
- Serologic surveys indicated recent circulation of RVFV in 70 districts.
Takeaway
Rift Valley fever is a sickness that can spread from animals to people, and it was found in many places in Madagascar during the rainy seasons.
Methodology
A nationwide cross-sectional serologic survey was conducted among persons at risk for RVF, collecting blood samples and testing for RVFV antibodies.
Potential Biases
Potential bias due to underreporting of cases and limited sample sizes in some districts.
Limitations
The reporting and sampling for suspected cases were not optimal, and the extent of the disease could not be fully quantified due to limited data.
Participant Demographics
Participants included individuals at high risk for RVFV infection, such as slaughterhouse workers and farmers, from various districts in Madagascar.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website