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Volume 30, Number 12—December 2024
Research

Rio Mamore Hantavirus Endemicity, Peruvian Amazon, 2020

Marta Piche-Ovares, Maria Paquita García, Andres Moreira-Soto, Maribel Dana Figueroa-Romero, Nancy Susy Merino-Sarmiento, Adolfo Ismael Marcelo-Ñique, Edward Málaga-Trillo, Dora Esther Valencia Manosalva, Miladi Gatty-Nogueira, César Augusto Cabezas Sanchez, and Jan Felix DrexlerComments to Author 
Author affiliation: Charité-Universitätsmedizin Berlin, Berlin, Germany (M. Piche-Ovares, A. Moreira-Soto, J.F. Drexler); Instituto Nacional de Salud, Lima, Peru (M. Paquita García, M.D. Figueroa-Romero, N.S. Merino-Sarmiento, A.I. Marcelo-Ñique, C.A. Cabezas Sanchez); Universidad Nacional, Heredia, Costa Rica (A. Moreira-Soto); Universidad Peruana Cayetano, Lima (E. Málaga-Trillo); Laboratorio de Referencia Regional de Salud Pública, Lambayeque, Peru (D.E. Valencia Manosalva); Laboratorio de Referencia Regional de Salud Pública, Loreto, Peru (M. Gatty-Nogueira); German Centre for Infection Research, Berlin, Germany (J.F. Drexler)

Main Article

Table 4

Results for complementary ELISA and PCR testing of hantavirus IgG-positive serum samples by ELISA serum samples, Peru, January 2020–2021*

Sample IgG ELISA ratio†
 PCR copies/mL
 Non–antigen coated plate/OD
CCHFV CHIKV MAYV OROV MERS-CoV SARS-CoV-2 Plasmodium spp. Plasmodium spp. EBV CMV
1788 0.12 0.11 0.15 0.05 0.06 0.15 2.25 Negative Negative Negative 0.04
1818 0.07 0.09 0.03 0.02 0.02 0.79 0.23 Negative 1.2 × 103 Negative 0.03
1835 0.11 0.31 0.04 0.06 0.03 0.18 0.19 Negative Negative Negative 0.02
1866 0.15 0.06 0.07 0.06 0.02 0.12 3.98 Negative Negative Negative 0.02
1882 0.05 0.07 0.12 0.04 0.03 0.11 5.94 Negative Negative Negative 0.01
1945 0.87 0.44 0.21 0.50 0.33 0.32 7.14 Negative Negative Negative 0.45
2003 0.06 0.03 0.03 0.04 0.02 0.11 3.79 Negative Negative Negative 0.01
2069 0.13 0.02 0.07 0.03 0.02 0.15 1.48 Negative Negative Negative 0.01
2139 0.13 0.10 0.09 0.18 0.04 0.17 0.24 Negative Negative Negative 0.05
2167 0.17 0.17 0.21 0.34 0.08 0.23 1.77 Negative Negative Negative 0.05
2216 0.10 0.06 0.06 0.06 0.03 0.17 0.37 Negative Negative Negative 0.01
2738 0.08 0.05 0.13 0.06 0.04 0.14 2.27 Negative Negative Negative 0.02
2740 0.15 0.17 0.09 0.10 0.04 1.19 0.43 Negative Negative Negative 0.05
3136 0.24 0.18 0.08 0.07 0.12 0.22 0.23 Negative Negative Negative 0.13
3249 0.21 0.17 0.16 0.13 0.04 0.20 0.50 Negative Negative Negative 0.04
3317 0.08 0.58 2.43 0.99 0.02 0.34 0.79 Negative Negative Negative 0.02
3361 0.06 0.10 0.17 0.08 0.03 0.92 3.20 Negative Negative Negative 0.02
3404 0.08 0.12 0.23 0.06 0.05 0.13 0.99 Negative Negative Negative 0.03
3562 2.71 2.02 2.30 2.97 0.71 1.66 2.78 Negative Negative 1.7 × 103 1.03
3615 0.08 0.46 0.49 0.09 0.03 0.30 0.27 Negative Negative Negative 0.02
3937 5.48 3.89 2.71 3.69 2.05 3.56 3.45 Negative Negative 2.1 × 103 2.31
4524 0.18 2.70 6.54 0.29 0.04 0.67 1.79 Negative Negative Negative 0.03
4591 0.46 1.27 2.69 2.44 ND 1.82 1.19 Negative Negative Negative 0.02

*Boldface indicates samples that tested positive by hantavirus IFA (ratio >1.1). The RT-PCR positive sample was not tested because of to limited sample volume after isolation attempts. CCHFV, Crimean-Congo hemorrhagic fever virus; CHIKV, chikungunya virus; CMV, cytomegalovirus; EBV, Epstein-Barr virus; IFA, immunofluorescence assay; MAYV, Mayaro virus; MERS-CoV, Middle East respiratory syndrome coronavirus; ND, not done; OD, optical density; OROV, Oropouche virus. Samples that tested positive by hantavirus IFA indicated in bold. †OD of negative control for IgG in Sin Nombre virus/Andes virus ELISA on a noncoated plate, 0.01. Statistical results comparing the ratios of hantavirus IFA-positive, IFA-negative serum samples, and the control group, Kruskal-Wallis; CCHFV, H = 2.33, p = 0.31; CHIKV, H = 2.0, p = 0.22; MAYV, H = 5.0, p = 0.08; MERS-CoV, H = 0.01, p = 0.99; OROV, H = 8.24, p = 0.02; Plasmodium spp., H = 12.21, p = 0.02 and SARS-CoV-2, H = 10.12, p = 0.006.

Main Article

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