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Volume 5, Number 4—August 1999

Dispatch

Dengue Reemergence in Argentina

G. Avilés*Comments to Author , G. Rangeón, V. Vorndam, A. Briones, P. Baroni*, D. Enria*, and M.S. Sabattini*
Author affiliations: *Instituto Nacional de Enfermedades Virales Humanas (INEVH) "Dr. J.I. Maiztegui", Administración Nacional de Laboratorios e Institutos de Salud "Dr. C. Malbrán", Pergamino, Argentina; †Ministerio de Salud, Salta, Argentina; ‡Centers for Disease Control and Prevention, San Juan, Puerto Rico; and §Delegación Sanitaria Federal, Salta, Argentina

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Table 2

Surveillance for dengue virus infections, Salta Province, Argentina

Locality* positive/tested Onset ELISA IgM PRNT
D1 D2 D3 D4
Orán 6/161 -- Pos 20 320 80 <20
-- Neg 80 80 160 20
04/22/97** -- <20 80 <20 <20
04/28/97 -- 20 >160 20 40
05/16/97 Pos 640 1,280 640 80
11/16/97 Pos -- -- -- --
Salvador 7/113 -- Pos <20 20 <20 <20
Mazza -- Pos <20 80 20 <20
-- Pos 160 >640 >640 20
-- Neg <20 80 40 <20
-- Neg -- 80 80 20
-- Neg 20 40 -- <20
-- Pos <20 <20 <20 <20
Tartagal 3/7 08/30/97 Pos 80 >160 >160 <20
10/26/97 Pos <20 160 <20 <20
11/23/97 Pos 640 >1,280 640 40
Guemes 1/100 -- Neg <20 40 <20 <20
Unknown 2/6 -- Pos <20 <20 <20 <20
Pos 40 >160 80 <20

*Samples from the following localities were negative by IgM capture -enzyme-linked immunosorbent assay: Santa Victoria (2), General Mosconi (2), Salta city (11), Junta del San Antonio (1) and Aguaray (1).
**An acute-phase sample from this case was positive for DEN 2 by RT-PCR.

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