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Abreu H, Royer CA, Poitevin CG, Kohler AF, Rodrigues AC, Raboni SM, Nogueira MB, Cardoso PH, Arruda MB, Baptista PADS, Bonatto AC, Gradia DF, Adamoski D, Maltempi de Souza E, Carvalho de Oliveira J. Influenza A, like Omicron SARS-CoV-2, Is Similarly Detected in Saliva or Nasopharyngeal Samples via RT-qPCR. Viruses 2023; 15:2352. [PMID: 38140593 PMCID: PMC10747790 DOI: 10.3390/v15122352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 10/26/2023] [Accepted: 10/29/2023] [Indexed: 12/24/2023] Open
Abstract
After the Coronavirus pandemic, the importance of virus surveillance was highlighted, reinforcing the constant necessity of discussing and updating the methods for collection and diagnoses, including for other respiratory viruses. Although the nasopharyngeal swab is the gold-standard sample for detecting and genotyping SARS-CoV-2 and Influenza viruses, its collection is uncomfortable and requires specialized teams, which can be costly. During the pandemic, non-invasive saliva samples proved to be a suitable alternative for SARS-CoV-2 diagnosis, but for Influenza virus the use of this sample source is not recognized yet. In addition, most SARS-CoV-2 comparisons were conducted before the Omicron variant emerged. Here, we aimed to compare Influenza A and Omicron RT-qPCR analysis of nasopharyngeal swabs and saliva self-collection in paired samples from 663 individuals. We found that both nasopharyngeal swab and saliva collection are efficient for the diagnosis of Omicron (including sub-lineages) and for Influenza A, with high sensitivity and accuracy (>90%). The kappa index is 0.938 for Influenza A and 0.905 for SARS-CoV-2. These results showed excellent agreement between the two samples reinforcing saliva samples as a reliable source for detecting Omicron and highlighting saliva as a valid sample source for Influenza detection, considering this cheaper and more comfortable alternative.
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Affiliation(s)
- Hellen Abreu
- Department of Genetics, Federal University of Parana, Curitiba 81531-980, Brazil; (H.A.); (C.A.R.); (C.G.P.); (A.F.K.); (A.C.R.); (A.C.B.); (D.F.G.)
| | - Carla Adriane Royer
- Department of Genetics, Federal University of Parana, Curitiba 81531-980, Brazil; (H.A.); (C.A.R.); (C.G.P.); (A.F.K.); (A.C.R.); (A.C.B.); (D.F.G.)
| | - Carolina Gracia Poitevin
- Department of Genetics, Federal University of Parana, Curitiba 81531-980, Brazil; (H.A.); (C.A.R.); (C.G.P.); (A.F.K.); (A.C.R.); (A.C.B.); (D.F.G.)
| | - Ana Flávia Kohler
- Department of Genetics, Federal University of Parana, Curitiba 81531-980, Brazil; (H.A.); (C.A.R.); (C.G.P.); (A.F.K.); (A.C.R.); (A.C.B.); (D.F.G.)
| | - Ana Carolina Rodrigues
- Department of Genetics, Federal University of Parana, Curitiba 81531-980, Brazil; (H.A.); (C.A.R.); (C.G.P.); (A.F.K.); (A.C.R.); (A.C.B.); (D.F.G.)
| | - Sonia Mara Raboni
- Virology and Molecular Biology Research Laboratory, Federal University of Parana, Curitiba 80030-110, Brazil; (S.M.R.); (M.B.N.)
| | - Meri Bordignon Nogueira
- Virology and Molecular Biology Research Laboratory, Federal University of Parana, Curitiba 80030-110, Brazil; (S.M.R.); (M.B.N.)
| | - Pedro Henrique Cardoso
- Institute of Technology in Immunobiology Bio-Manguinhos, Oswaldo Cruz Foundation/Fiocruz, Rio de Janeiro 21040-900, Brazil; (P.H.C.); (M.B.A.); (P.A.d.S.B.)
| | - Monica Barcellos Arruda
- Institute of Technology in Immunobiology Bio-Manguinhos, Oswaldo Cruz Foundation/Fiocruz, Rio de Janeiro 21040-900, Brazil; (P.H.C.); (M.B.A.); (P.A.d.S.B.)
| | - Patrícia Alvarez da Silva Baptista
- Institute of Technology in Immunobiology Bio-Manguinhos, Oswaldo Cruz Foundation/Fiocruz, Rio de Janeiro 21040-900, Brazil; (P.H.C.); (M.B.A.); (P.A.d.S.B.)
| | - Ana Claudia Bonatto
- Department of Genetics, Federal University of Parana, Curitiba 81531-980, Brazil; (H.A.); (C.A.R.); (C.G.P.); (A.F.K.); (A.C.R.); (A.C.B.); (D.F.G.)
| | - Daniela Fiori Gradia
- Department of Genetics, Federal University of Parana, Curitiba 81531-980, Brazil; (H.A.); (C.A.R.); (C.G.P.); (A.F.K.); (A.C.R.); (A.C.B.); (D.F.G.)
| | - Douglas Adamoski
- Brazilian Biosciences National Laboratory (LNBio), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas 13083-970, Brazil;
| | - Emanuel Maltempi de Souza
- Department of Biochemistry and Molecular Biology, Federal University of Paraná, Curitiba 81530-000, Brazil;
| | - Jaqueline Carvalho de Oliveira
- Department of Genetics, Federal University of Parana, Curitiba 81531-980, Brazil; (H.A.); (C.A.R.); (C.G.P.); (A.F.K.); (A.C.R.); (A.C.B.); (D.F.G.)
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Liu Y, Kumblathan T, Tao J, Xu J, Feng W, Xiao H, Hu J, Huang CV, Wu Y, Zhang H, Li XF, Le XC. Recent advances in RNA sample preparation techniques for the detection of SARS-CoV-2 in saliva and gargle. Trends Analyt Chem 2023; 165:117107. [PMID: 37317683 PMCID: PMC10204347 DOI: 10.1016/j.trac.2023.117107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 05/19/2023] [Accepted: 05/19/2023] [Indexed: 06/16/2023]
Abstract
Molecular detection of SARS-CoV-2 in gargle and saliva complements the standard analysis of nasopharyngeal swabs (NPS) specimens. Although gargle and saliva specimens can be readily obtained non-invasively, appropriate collection and processing of gargle and saliva specimens are critical to the accuracy and sensitivity of the overall analytical method. This review highlights challenges and recent advances in the treatment of gargle and saliva samples for subsequent analysis using reverse transcription polymerase chain reaction (RT-PCR) and isothermal amplification techniques. Important considerations include appropriate collection of gargle and saliva samples, on-site inactivation of viruses in the sample, preservation of viral RNA, extraction and concentration of viral RNA, removal of substances that inhibit nucleic acid amplification reactions, and the compatibility of sample treatment protocols with the subsequent nucleic acid amplification and detection techniques. The principles and approaches discussed in this review are applicable to molecular detection of other microbial pathogens.
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Affiliation(s)
- Yanming Liu
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2G3, Canada
| | - Teresa Kumblathan
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2G3, Canada
| | - Jeffrey Tao
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2G3, Canada
| | - Jingyang Xu
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2G3, Canada
| | - Wei Feng
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2G3, Canada
| | - Huyan Xiao
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2G3, Canada
| | - Jianyu Hu
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2G3, Canada
| | - Camille V Huang
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2G3, Canada
| | - Yiping Wu
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2G3, Canada
| | - Hongquan Zhang
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2G3, Canada
| | - Xing-Fang Li
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2G3, Canada
| | - X Chris Le
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 2G3, Canada
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