Hantavirus Reservoirs and Infection in California Rodents
Author Information
Author(s): Michele Jay, Michael S. Ascher, Bruno B. Chomel, Minoo Madon, David Sesline, Barryett A. Enge, Brian Hjelle, Thomas G. Ksiazek, Pierre E. Rollin, Philip H. Kass, Kevin Reilly
Primary Institution: California Department of Health Services
Hypothesis
Is Peromyscus maniculatus the primary reservoir for Sin Nombre virus in California, and what are the seroprevalence rates among different rodent populations?
Conclusion
The study confirmed that Peromyscus maniculatus is the primary reservoir for Sin Nombre virus in California, with significant differences in seroprevalence based on geographic location and elevation.
Supporting Evidence
- Antibody prevalence was significantly higher in deer mice trapped near human cases compared to other sites.
- SNV antibodies were found in 11.8% of Peromyscus maniculatus tested.
- Antibody prevalence increased with elevation, peaking at higher altitudes.
- Historical data showed SNV was present in deer mice long before the first human cases were recognized.
- Different geographic regions showed varying prevalence rates among rodent populations.
Takeaway
This study found that a lot of deer mice in California carry a virus that can make people very sick, especially in certain areas like the mountains.
Methodology
The study involved serological testing of 4,626 mammals for antibodies to Sin Nombre virus, with data collected from various agencies and historical surveys.
Potential Biases
Potential bias from proximity to human dwellings and nonrandom sampling methods.
Limitations
The study may have biases due to nonrandom sampling and small sample sizes at some survey sites.
Participant Demographics
The study included various rodent species, primarily Peromyscus maniculatus, with data on age and sex available for some individuals.
Statistical Information
P-Value
0.002
Confidence Interval
1.7, 11.6
Statistical Significance
p<0.001
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