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Volume 26, Number 4—April 2020
Research

Guaroa Virus and Plasmodium vivax Co-Infections, Peruvian Amazon

Crystyan SilesComments to Author , William H. Elson, Stalin Vilcarromero, Amy C. Morrison, Robert D. Hontz, Freddy Alava, Hugo Valdivia, Vidal Felices, Carolina Guevara, Sarah Jenkins, Eugenio J. Abente, and Julia S. Ampuero
Author affiliations: US Naval Medical Research Unit No. 6, Lima, Peru (C. Siles, S. Vilcarromero, R.D. Hontz, H. Valdivia, V. Felices, C. Guevara, S. Jenkins, E.J. Abente, J.S. Ampuero); University of California, Davis, Davis, California, USA (W.H. Elson, A.C. Morrison); Centro de Salud San Juan, Direccion Regional de Salud Loreto, Iquitos, Peru (F. Alava)

Main Article

Table 1

Laboratory findings and serologic response expressed as inverse titers for patients with GROV infection, Peruvian Amazon, April–June 2014*

Patient
 Thick smear malaria result
 Virus isolated
 IgM
PCR result
 Acute phase
 Convalescent phase†
 Month 3
 Month 6
 Month 12
Malaria
 GROV
1 Plasmodium vivax Neg Pos GROV 0 1:6,400 0 0 0
2 P. vivax Neg Pos GROV 0 0 1:1,600 0 0
3 Neg Neg Neg Neg 1:400 1:1,600 0 VNC VNC
4 Neg Neg Pos GROV 0 1:1,600 0 0 0
5 Neg Neg Pos GROV 0 1:1,600 0 0 0
6 P. vivax Neg Pos GROV 0 1:6,400 0 0 0
7 P. vivax P. vivax Pos GROV 0 1:6,400 1:400 1:100 0
8 Neg Neg Pos GROV 0 1:6,400 0 0 0
9 P. vivax Neg Pos GROV 0 1:6,400 0 0 0
10 Neg Neg Neg GROV 0 1:6,400 0 0 0
11 Neg P. vivax Neg Neg 1:100 1:1,600 VNC VNC VNC
12 Neg Neg Pos GROV 0 1:400 0 0 0
13 Neg Neg Neg Neg 0 1:1,600 VNC VNC VNC
14 Neg Neg Pos GROV 0 1:6,400 1:400 0 0

*GROV, Guaroa virus; neg, negative; pos, positive; VNC, visit not complete.
†At follow-up 20 d (± 10 d) after the acute phase.

Main Article

Page created: March 23, 2020
Page updated: March 23, 2020
Page reviewed: March 23, 2020
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