'Andes virus' (ANDV) is a
hantavirus, which, in South America, is a major causative agent of 'Hantavirus Cardiopulmonary Syndrome' (HCPS or HPS).
Background
HCPS due to the Andes virus infection, has a case fatality percentage of about 25-35% in Argentina
[1] and of 37% in Chile.
[2] ANDV, lineage ANDV-Sout, is the only
hantavirus for which a person-to-person transmission has been described.
[3][4][5] Several ANDV
strains are co-circulating in Argentina, e.g. Bermejo, Lechiguanas, Maciel, Oran and Pergamino
[6], whereas HCPS cases were also reported in Bolivia, Brazil, Paraguay and Uruguay. Only for Chile and Argentina can they be strictly associated
with ANDV.
In Argentina and Chile, the long-tailed rice rat, ''Oligoryzomys longicaudatus'', and other species of the genus ''Oligoryzomys'' represent the reservoir for ANDV.
[7][8][9] Another unique characteristic of ANDV is the availability of an animal model. ANDV causes lethal disease in the
Syrian Hamster that closely models the course of disease progression in humans, including a rapid progression from first symptoms to death, including fluid in the pleural cavity and the histopathology of the lungs and spleen.
[10] Lethality of ANDV in hamsters is not true of all HCPS viruses, as challenge with
Sin Nombre virus shows no symptoms of disease.
[10] The availabilty of this model allows for the study of various drugs and other treatments that may have an impact on the treatment of all HCPS-causing
hantavirus infections.
See Also
★
Hantavirus
★
Sin Nombre virus
References
1. Personal Communication
2. Ministry of Health, 2005
3. 2005, 1998
4. 1998
5. 1998
6. 2000, 2002
7. 1997
8. 1998
9. 2001
10. 2001
11. 2001