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Influenza A Virus Studies in a Mouse Model of Infection
Published on: September 7, 2017
Three-week incubation period for hantavirus infection
1Department of Microbiology, University of Nevada-Reno, Reno, NV, USA.
Abstract:
Occasionally a case report can provide enormous insight into the pathogenesis of an infectious disease. In this instance, 2 Iowa boys were bitten by the same mouse on May 1, 1999. Three weeks later, both boys developed sin nombre hantavirus pulmonary syndrome. Thus, the incubation period of hantavirus infection has been documented. Both survived; one of the 2 boys continued to have a very high titer of hantavirus antibody 4 years after the mouse bite.
Insights
A mouse bite led to sin nombre hantavirus pulmonary syndrome in two boys, establishing the infection's incubation period. One boy maintained high hantavirus antibody titers for four years post-infection.
Area of Science:
- Infectious Diseases
- Epidemiology
- Pathogenesis
Background:
- Sin Nombre virus (SNV) is a hantavirus that can cause severe respiratory illness.
- Understanding the incubation period and immune response to SNV is crucial for clinical management and public health.
- Rodent-borne zoonotic diseases pose significant public health challenges.
Observation:
- Two boys in Iowa were bitten by the same mouse.
- Both boys subsequently developed symptoms consistent with sin nombre hantavirus pulmonary syndrome (HPS).
- The onset of symptoms occurred approximately three weeks after the rodent exposure.
Findings:
- This case report documents the incubation period of hantavirus infection, estimated to be around three weeks.
- Both individuals survived the acute phase of hantavirus pulmonary syndrome.
- One survivor exhibited a persistent high titer of hantavirus antibodies four years after the initial infection, suggesting long-term immunity.
Implications:
- This case provides valuable data on the clinical course and immune response following hantavirus infection.
- The findings underscore the importance of identifying the source of infection in HPS cases.
- Long-term antibody persistence may indicate durable immunity, relevant for vaccine development and epidemiological studies.
