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RIO MAMORÉ VIRUS AND HANTAVIRUS PULMONARY SYNDROME, BRAZIL
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Abstract
Hantavirus pulmonary
syndrome (HPS) is an acute,
severe, frequently fatal disease associated
with cardiopulmonary failure;
it is caused by hantaviruses naturally
hosted by wild rodents. Rio Mamore
virus (RIOMV) was first described in
1996 in Bolivia; it was associated with
the small-eared pygmy rice rat, Oligoryzomys
microtis (1). Subsequently, 1
strain of RIOMV was isolated from
O. microtis rats in Peru, designated
HTN-007 (2); and 2 strains were recovered
in the Brazilian Amazon from
O. microtis rats (RIOMV-3) and uncharacterized
species of rodents of the
genus Oligoryzomys (RIOMV-4) (3).
Recently, HPS cases associated with
RIOMV have been reported: 2 cases
in Peru (4) and 1 case in French Guiana
(caused by a variant named Maripa
virus) (5). We report isolation of a
strain of RIOMV from a patient with
fatal HPS in Brazil....
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