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Ivashchenko AA, Jones JC, Shkil DO, Ivanenkov YA, Pascua PNQ, Penaflor MK, Karapetian RN, Govorkova EA, Ivachtchenko AV. Resistance profiles for the investigational neuraminidase inhibitor AV5080 in influenza A and B viruses. Antiviral Res 2023; 217:105701. [PMID: 37567255 PMCID: PMC10528385 DOI: 10.1016/j.antiviral.2023.105701] [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: 05/11/2023] [Revised: 08/02/2023] [Accepted: 08/08/2023] [Indexed: 08/13/2023]
Abstract
Neuraminidase inhibitors (NAIs) are recommended for influenza treatment and prevention worldwide. The most widely prescribed NAI is oral oseltamivir, while inhaled zanamivir is less commonly used. Using phenotypic neuraminidase (NA) enzymatic assays and molecular modeling approaches, we examined the ability of the investigational orally-dosed NAI AV5080 to inhibit viruses of the influenza A(H1N1)pdm09, A(H3N2), A(H5N1), and A(H7N9) subtypes and the influenza B/Victoria- and B/Yamagata-lineages containing NA substitutions conferring oseltamivir or zanamivir resistance including: NA-R292K, NA-E119G/V, NA-H274Y, NA-I122L/N, and NA-R150K. Broadly, AV5080 showed enhanced in vitro efficacy when compared with oseltamivir and/or zanamivir. Reduced AV5080 inhibition was determined for influenza A viruses with NA-E119G and NA-R292K, and for B/Victoria-lineage viruses with NA-I122N/L and B/Yamagata-lineage virus with NA-R150K. Molecular modeling suggested loss of the short hydrogen bond to the carboxyl group of AV5080 affected inhibition of NA-R292K viruses, whereas loss of the salt bridge with the guanidine group of AV5080 affected inhibition of NA-E119G. The resistance profiles and predicted binding modes of AV5080 and zanamivir are most similar, but dissimilar to those of oseltamivir, in part because of a guanidine moiety compensatory binding effect. Overall, our data suggests that AV5080 is a promising orally-dosed NAI that exhibited similar or superior in vitro efficacy against viruses with reduced or highly reduced inhibition phenotypes with respect to currently approved NAIs.
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Affiliation(s)
| | - Jeremy C Jones
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Dmitry O Shkil
- ChemDiv, 12760 High Bluff Drive, Ste. 370 San Diego, CA, 92130, USA
| | - Yan A Ivanenkov
- ChemDiv, 12760 High Bluff Drive, Ste. 370 San Diego, CA, 92130, USA
| | - Philippe Noriel Q Pascua
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Melissa K Penaflor
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | | | - Elena A Govorkova
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA.
| | - Alexandre V Ivachtchenko
- ChemDiv, 12760 High Bluff Drive, Ste. 370 San Diego, CA, 92130, USA; AVISA LLC, 1835 E. Hallandale Beach Blvd, #442, Hallandale Beach, FL, 33009, USA.
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2
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Nguyen HT, Chesnokov A, De La Cruz J, Pascua PNQ, Mishin VP, Jang Y, Jones J, Di H, Ivashchenko AA, Killian ML, Torchetti MK, Lantz K, Wentworth DE, Davis CT, Ivachtchenko AV, Gubareva LV. Antiviral susceptibility of clade 2.3.4.4b highly pathogenic avian influenza A(H5N1) viruses isolated from birds and mammals in the United States, 2022. Antiviral Res 2023; 217:105679. [PMID: 37494978 PMCID: PMC10508830 DOI: 10.1016/j.antiviral.2023.105679] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 07/03/2023] [Accepted: 07/23/2023] [Indexed: 07/28/2023]
Abstract
Clade 2.3.4.4b highly pathogenic avian influenza (HPAI) A(H5N1) viruses that are responsible for devastating outbreaks in birds and mammals pose a potential threat to public health. Here, we evaluated their susceptibility to influenza antivirals. Of 1,015 sequences of HPAI A(H5N1) viruses collected in the United States during 2022, eight viruses (∼0.8%) had a molecular marker of drug resistance to an FDA-approved antiviral: three adamantane-resistant (M2-V27A), four oseltamivir-resistant (NA-H275Y), and one baloxavir-resistant (PA-I38T). Additionally, 31 viruses contained mutations that may reduce susceptibility to inhibitors of neuraminidase (NA) (n = 20) or cap-dependent endonuclease (CEN) (n = 11). A panel of 22 representative viruses was tested phenotypically. Overall, clade 2.3.4.4b A(H5N1) viruses lacking recognized resistance mutations were susceptible to FDA-approved antivirals. Oseltamivir was least potent at inhibiting NA activity, while the investigational NA inhibitor AV5080 was most potent, including against NA mutants. A novel NA substitution T438N conferred 12-fold reduced inhibition by zanamivir, and in combination with the known marker N295S, synergistically affected susceptibility to all five NA inhibitors. In cell culture-based assays HINT and IRINA, the PA-I38T virus displayed 75- to 108-fold and 37- to 78-fold reduced susceptibility to CEN inhibitors, baloxavir and the investigational AV5116, respectively. Viruses with PA-I38M or PA-A37T showed 5- to 10-fold reduced susceptibilities. As HPAI A(H5N1) viruses continue to circulate and evolve, close monitoring of drug susceptibility is needed for risk assessment and to inform decisions regarding antiviral stockpiling.
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Affiliation(s)
- Ha T Nguyen
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention (CDC), Atlanta, GA, USA
| | - Anton Chesnokov
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention (CDC), Atlanta, GA, USA
| | - Juan De La Cruz
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention (CDC), Atlanta, GA, USA
| | - Philippe Noriel Q Pascua
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention (CDC), Atlanta, GA, USA
| | - Vasiliy P Mishin
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention (CDC), Atlanta, GA, USA
| | - Yunho Jang
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention (CDC), Atlanta, GA, USA
| | - Joyce Jones
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention (CDC), Atlanta, GA, USA
| | - Han Di
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention (CDC), Atlanta, GA, USA
| | | | - Mary Lea Killian
- National Veterinary Services Laboratories, U.S. Department of Agriculture (USDA), Ames, IA 50010, USA
| | - Mia K Torchetti
- National Veterinary Services Laboratories, U.S. Department of Agriculture (USDA), Ames, IA 50010, USA
| | - Kristina Lantz
- National Veterinary Services Laboratories, U.S. Department of Agriculture (USDA), Ames, IA 50010, USA
| | - David E Wentworth
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention (CDC), Atlanta, GA, USA
| | - Charles T Davis
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention (CDC), Atlanta, GA, USA
| | - Alexandre V Ivachtchenko
- ChemDiv, 12760 High Bluff Drive, Ste. 370, San Diego, CA 92130, USA; AVISA LLC, 1835 E. Hallandale Beach Blvd, #442, Hallandale Beach, FL 33009, USA
| | - Larisa V Gubareva
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention (CDC), Atlanta, GA, USA.
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Svyatchenko SV, Goncharova NI, Marchenko VY, Kolosova NP, Shvalov AN, Kovrizhkina VL, Durymanov AG, Onkhonova GS, Tregubchak TV, Susloparov IM, Gudymo AS, Ilyicheva TN, Ryzhikov AB. An influenza A(H5N8) virus isolated during an outbreak at a poultry farm in Russia in 2017 has an N294S substitution in the neuraminidase and shows reduced susceptibility to oseltamivir. Antiviral Res 2021; 191:105079. [PMID: 33933515 DOI: 10.1016/j.antiviral.2021.105079] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 04/20/2021] [Accepted: 04/22/2021] [Indexed: 11/25/2022]
Abstract
This study aimed to assess the antiviral susceptibility of influenza A(H5N8) viruses isolated in Russia in 2014-2018. Genetic analysis of 57 Russian isolates with full genome sequences did not find any markers of reduced susceptibility to baloxavir. Only one strain bore an amino acid substitution associated with adamantane resistance (M2-S31N). The neuraminidase of 1 strain had an NA-N293/294S (N8/N2 numbering) substitution associated with reduced inhibition by oseltamivir and normal inhibition by zanamivir, which was confirmed phenotypically. There were no other strains with reduced inhibition by oseltamivir and zanamivir in the phenotypic analysis. In order to estimate the worldwide prevalence of influenza A(H5N8) viruses bearing genetic markers of antiviral resistance, genome sequences deposited in the GISAID database were analyzed (database access: October 2020). The M2 protein of A(H5N8) viruses from the 2.3.4.4c clade had an M2-S31N substitution associated with reduced susceptibility to adamantanes. On the contrary, the majority (94%) of viruses from the 2.3.4.4b clade had the M2-S31 genotype. Fewer than 1% of analyzed viruses had amino acid substitutions associated with reduced susceptibility to baloxavir (PA-E199G, PA-E199E/G) or reduced or highly reduced inhibition by neuraminidase inhibitors (NA-R150/152K, NA-I221/222M, NA-I221/222I/M, NA-I221/222V, NA-I115/117V, NA-G145/147R, NA-R291/292R/K). An NA-N293/294S substitution was not present in sequences from the GISAID database. To the best of our knowledge, influenza A(H5N8) viruses with reduced inhibition by oseltamivir bearing an NA-N293/294S substitution have not been previously reported in epidemiological surveillance studies.
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Affiliation(s)
- Svetlana V Svyatchenko
- State Research Center of Virology and Biotechnology "Vector" Rospotrebnadzor, Koltsovo, Novosibirsk Region, 630559, Russian Federation.
| | - Natalia I Goncharova
- State Research Center of Virology and Biotechnology "Vector" Rospotrebnadzor, Koltsovo, Novosibirsk Region, 630559, Russian Federation
| | - Vasiliy Y Marchenko
- State Research Center of Virology and Biotechnology "Vector" Rospotrebnadzor, Koltsovo, Novosibirsk Region, 630559, Russian Federation
| | - Natalia P Kolosova
- State Research Center of Virology and Biotechnology "Vector" Rospotrebnadzor, Koltsovo, Novosibirsk Region, 630559, Russian Federation
| | - Alexander N Shvalov
- State Research Center of Virology and Biotechnology "Vector" Rospotrebnadzor, Koltsovo, Novosibirsk Region, 630559, Russian Federation
| | - Valentina L Kovrizhkina
- State Research Center of Virology and Biotechnology "Vector" Rospotrebnadzor, Koltsovo, Novosibirsk Region, 630559, Russian Federation
| | - Alexander G Durymanov
- State Research Center of Virology and Biotechnology "Vector" Rospotrebnadzor, Koltsovo, Novosibirsk Region, 630559, Russian Federation
| | - Galina S Onkhonova
- State Research Center of Virology and Biotechnology "Vector" Rospotrebnadzor, Koltsovo, Novosibirsk Region, 630559, Russian Federation
| | - Tatyana V Tregubchak
- State Research Center of Virology and Biotechnology "Vector" Rospotrebnadzor, Koltsovo, Novosibirsk Region, 630559, Russian Federation
| | - Ivan M Susloparov
- State Research Center of Virology and Biotechnology "Vector" Rospotrebnadzor, Koltsovo, Novosibirsk Region, 630559, Russian Federation
| | - Andrey S Gudymo
- State Research Center of Virology and Biotechnology "Vector" Rospotrebnadzor, Koltsovo, Novosibirsk Region, 630559, Russian Federation
| | - Tatyana N Ilyicheva
- State Research Center of Virology and Biotechnology "Vector" Rospotrebnadzor, Koltsovo, Novosibirsk Region, 630559, Russian Federation
| | - Alexander B Ryzhikov
- State Research Center of Virology and Biotechnology "Vector" Rospotrebnadzor, Koltsovo, Novosibirsk Region, 630559, Russian Federation
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Abstract
PURPOSE OF REVIEW Neuraminidase inhibitors (NAIs), including oseltamivir, zanamivir, and peramivir, is the main class of antiviral available for clinical use. As such, development of resistance toward these agents is of great clinical and public health concern. RECENT FINDINGS At present, NAI resistance remains uncommon among the circulating viruses (oseltamivir <3.5%, zanamivir <1%). Resistance risk is slightly higher in A(H1N1) than A(H3N2) and B viruses. Resistance may emerge during drug exposure, particularly among young children (<5 years), the immunocompromised, and individuals receiving prophylactic regimens. H275Y A(H1N1) variant, showing high-level oseltamivir resistance, is capable of causing outbreaks. R294K A(H7N9) variant shows reduced inhibition across NAIs. Multi-NAI resistance has been reported in the immunocompromised. SUMMARY These findings highlight the importance of continuous surveillance, and assessment of viral fitness and transmissibility of resistant virus strains. Detection can be challenging, especially in a mix of resistant and wild-type viruses. Recent advances in molecular techniques (e.g. targeted mutation PCR, iART, ddPCR, pyrosequencing, next-generation sequencing) have improved detection and our understanding of viral dynamics. Treatment options available for oseltamivir-resistant viruses are limited, and susceptibility testing of other NAIs may be required, but non-NAI antivirals (e.g. polymerase inhibitors) that are active against these resistant viruses are in late-stage clinical development.
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Kode SS, Pawar SD, Tare DS, Keng SS, Hurt AC, Mullick J. A novel I117T substitution in neuraminidase of highly pathogenic avian influenza H5N1 virus conferring reduced susceptibility to oseltamivir and zanamivir. Vet Microbiol 2019; 235:21-24. [PMID: 31282375 DOI: 10.1016/j.vetmic.2019.06.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 06/04/2019] [Accepted: 06/05/2019] [Indexed: 10/26/2022]
Abstract
Occurrence of avian influenza (AI) with Neuraminidase (NA) mutations which confer reduced neuraminidase inhibitor (NAI) susceptibility has remained a cause of concern. The susceptibility to NAIs of 67 highly pathogenic avian influenza H5N1 viruses isolated during 2006-2012 in India was tested in phenotypic fluorescence-based NA inhibition assay, sequence analysis and in ovo. One isolate showed a novel NA I117T amino acid substitution (N2 numbering) and eight isolates showed previously known NAI-resistance marker mutations (I117V, E119D, N294S, total 9/67). The overall incidence of resistant variants was 13.4%. The novel I117T substitution reduced oseltamivir susceptibility by 18.6-fold and zanamivir susceptibility by 11.8-fold, compared to the wild type AI H5N1virus, thus showed cross-resistance to both oseltamivir and zanamivir in NA inhibition assays. However, the other two isolates with I117V substitution were sensitive to both the NAIs. In addition, the comparison of growth of the I117T and I117V variants in presence of NAI's in the in ovo assays exhibited difference in growth levels. The present study reports the natural occurrence of a novel I117T mutation in AI H5N1 virus conferring cross-resistance to oseltamivir and zanamivir highlighting the urgent need of antiviral surveillance of AI viruses.
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Affiliation(s)
- Sadhana S Kode
- Avian Influenza Group, Microbial Containment Complex, ICMR-National Institute of Virology, 130/1, Sus Road, Pashan, Pune 411021, India
| | - Shailesh D Pawar
- Avian Influenza Group, Microbial Containment Complex, ICMR-National Institute of Virology, 130/1, Sus Road, Pashan, Pune 411021, India.
| | - Deeksha S Tare
- Avian Influenza Group, Microbial Containment Complex, ICMR-National Institute of Virology, 130/1, Sus Road, Pashan, Pune 411021, India
| | - Sachin S Keng
- Avian Influenza Group, Microbial Containment Complex, ICMR-National Institute of Virology, 130/1, Sus Road, Pashan, Pune 411021, India
| | - Aeron C Hurt
- WHO Collaborating Centre for Reference and Research on Influenza (VIDRL), Peter Doherty Institute for Infection and Immunity, 792 Elizabeth Street, Melbourne, VIC 3000, Australia
| | - Jayati Mullick
- Avian Influenza Group, Microbial Containment Complex, ICMR-National Institute of Virology, 130/1, Sus Road, Pashan, Pune 411021, India
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6
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Selection of avian influenza A (H9N2) virus with reduced susceptibility to neuraminidase inhibitors oseltamivir and zanamivir. Virus Res 2019; 265:122-126. [DOI: 10.1016/j.virusres.2019.03.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 03/08/2019] [Accepted: 03/21/2019] [Indexed: 12/16/2022]
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Mostafa A, Abdelwhab EM, Mettenleiter TC, Pleschka S. Zoonotic Potential of Influenza A Viruses: A Comprehensive Overview. Viruses 2018; 10:v10090497. [PMID: 30217093 PMCID: PMC6165440 DOI: 10.3390/v10090497] [Citation(s) in RCA: 152] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 08/24/2018] [Accepted: 09/13/2018] [Indexed: 02/06/2023] Open
Abstract
Influenza A viruses (IAVs) possess a great zoonotic potential as they are able to infect different avian and mammalian animal hosts, from which they can be transmitted to humans. This is based on the ability of IAV to gradually change their genome by mutation or even reassemble their genome segments during co-infection of the host cell with different IAV strains, resulting in a high genetic diversity. Variants of circulating or newly emerging IAVs continue to trigger global health threats annually for both humans and animals. Here, we provide an introduction on IAVs, highlighting the mechanisms of viral evolution, the host spectrum, and the animal/human interface. Pathogenicity determinants of IAVs in mammals, with special emphasis on newly emerging IAVs with pandemic potential, are discussed. Finally, an overview is provided on various approaches for the prevention of human IAV infections.
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Affiliation(s)
- Ahmed Mostafa
- Institute of Medical Virology, Justus Liebig University Giessen, Schubertstrasse 81, 35392 Giessen, Germany.
- Center of Scientific Excellence for Influenza Viruses, National Research Centre (NRC), Giza 12622, Egypt.
| | - Elsayed M Abdelwhab
- Institute of Molecular Virology and Cell Biology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany.
| | - Thomas C Mettenleiter
- Institute of Molecular Virology and Cell Biology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany.
| | - Stephan Pleschka
- Institute of Medical Virology, Justus Liebig University Giessen, Schubertstrasse 81, 35392 Giessen, Germany.
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Sood R, Kumar N, Bhatia S, Chanu KV, Gupta CL, Pateriya AK, Mishra A, Khandia R, Mawale N, Singh VP. Neuraminidase inhibitors susceptibility profiles of highly pathogenic influenza A (H5N1) viruses isolated from avian species in India (2006-2015). Antiviral Res 2018; 158:143-146. [PMID: 30125616 DOI: 10.1016/j.antiviral.2018.08.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 08/09/2018] [Accepted: 08/13/2018] [Indexed: 11/29/2022]
Abstract
We tested 65 highly pathogenic avian influenza (HPAI) A(H5N1) viruses, isolated from avian species in India between 2006 and 2015, for susceptibility to the FDA approved neuraminidase (NA) inhibitors (NAIs), oseltamivir and zanamivir using a phenotypic fluorescence-based assay. The overall incidence of resistant variants among HPAI A(H5N1) viruses was 7.69% (5/65). The NA inhibition assay identified 3 viruses resistant to oseltamivir (N294S substitution, N2 numbering) and 2 cross-resistant to oseltamivir and zanamivir (E119A or I117V+E119A substitutions), all of which belonged to hemagglutinin (HA) clade 2.2 (5/17) and predominantly circulated in Indian poultry during 2006-2010. In comparison to E119A substitution alone, viruses with I117V+E119A double substitutions showed greater reduction in susceptibility to both oseltamivir and zanamivir. The NAI resistance-associated NA markers, identified in this study, were as a result of naturally occurring mutations. Of note, 48 viruses of HA clade 2.3.2.1 that circulated in Indian poultry during 2011-2015 were susceptible to both oseltamivir and zanamivir. It is essential to monitor NAI susceptibility among human and avian HPAI A(H5N1) viruses that would provide baseline data to develop strategies for pandemic preparedness and therapeutic interventions.
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Affiliation(s)
- Richa Sood
- ICAR- National Institute of High Security Animal Diseases, Anand Nagar, Bhopal 462022, Madhya Pradesh, India.
| | - Naveen Kumar
- ICAR- National Institute of High Security Animal Diseases, Anand Nagar, Bhopal 462022, Madhya Pradesh, India
| | - Sandeep Bhatia
- ICAR- National Institute of High Security Animal Diseases, Anand Nagar, Bhopal 462022, Madhya Pradesh, India
| | - Khangembam Victoria Chanu
- ICAR- National Institute of High Security Animal Diseases, Anand Nagar, Bhopal 462022, Madhya Pradesh, India
| | - Chhedi Lal Gupta
- Department of Computer Science, University College London, Gower Street, WC1E 6BT, London, UK
| | - Atul Kumar Pateriya
- ICAR- National Institute of High Security Animal Diseases, Anand Nagar, Bhopal 462022, Madhya Pradesh, India
| | - Anamika Mishra
- ICAR- National Institute of High Security Animal Diseases, Anand Nagar, Bhopal 462022, Madhya Pradesh, India
| | - Rekha Khandia
- ICAR- National Institute of High Security Animal Diseases, Anand Nagar, Bhopal 462022, Madhya Pradesh, India
| | - Namrata Mawale
- ICAR- National Institute of High Security Animal Diseases, Anand Nagar, Bhopal 462022, Madhya Pradesh, India
| | - Vijendra Pal Singh
- ICAR- National Institute of High Security Animal Diseases, Anand Nagar, Bhopal 462022, Madhya Pradesh, India
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