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Shao J, Liu W, Gao S, Chang H, Guo H. A recombinant multi-epitope trivalent vaccine for foot-and-mouth disease virus serotype O in pigs. Virology 2024; 596:110103. [PMID: 38781710 DOI: 10.1016/j.virol.2024.110103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 04/09/2024] [Accepted: 05/06/2024] [Indexed: 05/25/2024]
Abstract
In order to develop a safe and effective broad-spectrum vaccine for foot-and-mouth disease (FMDV), here, we developed a recombinant FMD multiple-epitope trivalent vaccine based on three distinct topotypes of FMDV. Potency of the vaccine was evaluated by immune efficacy in pigs. The results showed that the vaccine with no less than 25 μg of antigen elicited FMDV serotype O specific antibodies and neutralization antibodies by primary-booster regime, and offered immune protection to pigs. More importantly, the vaccine elicited not only the same level of neutralization antibodies against the three distinct topotypes of FMDV, but also provided complete protection in pigs from the three corresponding virus challenge. None of the fully protected pigs were able to generate anti-3ABC antibodies throughout the experiment, which implied the vaccine can offer sterilizing immunity. The vaccine elicited lasting-long high-level antibodies and effectively protected pigs from virulent challenge within six months of immunization. Therefore, we consider that this vaccine may be used in the future for the prevention and control of FMD.
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Affiliation(s)
- Junjun Shao
- State Key Laboratory for Animal Disease Control and Prevention, Gansu Province Research Center for Basic Disciplines of Pathogen Biology, WOAH/China National Foot-and-Mouth Disease Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, China.
| | - Wei Liu
- State Key Laboratory for Animal Disease Control and Prevention, Gansu Province Research Center for Basic Disciplines of Pathogen Biology, WOAH/China National Foot-and-Mouth Disease Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, China
| | - Shandian Gao
- State Key Laboratory for Animal Disease Control and Prevention, Gansu Province Research Center for Basic Disciplines of Pathogen Biology, WOAH/China National Foot-and-Mouth Disease Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, China
| | - Huiyun Chang
- State Key Laboratory for Animal Disease Control and Prevention, Gansu Province Research Center for Basic Disciplines of Pathogen Biology, WOAH/China National Foot-and-Mouth Disease Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, China.
| | - Huichen Guo
- State Key Laboratory for Animal Disease Control and Prevention, Gansu Province Research Center for Basic Disciplines of Pathogen Biology, WOAH/China National Foot-and-Mouth Disease Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, China
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Mushtaq H, Shah SS, Zarlashat Y, Iqbal M, Abbas W. Cell Culture Adaptive Amino Acid Substitutions in FMDV Structural Proteins: A Key Mechanism for Altered Receptor Tropism. Viruses 2024; 16:512. [PMID: 38675855 PMCID: PMC11054764 DOI: 10.3390/v16040512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 02/21/2024] [Accepted: 02/25/2024] [Indexed: 04/28/2024] Open
Abstract
The foot-and-mouth disease virus is a highly contagious and economically devastating virus of cloven-hooved animals, including cattle, buffalo, sheep, and goats, causing reduced animal productivity and posing international trade restrictions. For decades, chemically inactivated vaccines have been serving as the most effective strategy for the management of foot-and-mouth disease. Inactivated vaccines are commercially produced in cell culture systems, which require successful propagation and adaptation of field isolates, demanding a high cost and laborious time. Cell culture adaptation is chiefly indebted to amino acid substitutions in surface-exposed capsid proteins, altering the necessity of RGD-dependent receptors to heparan sulfate macromolecules for virus binding. Several amino acid substations in VP1, VP2, and VP3 capsid proteins of FMDV, both at structural and functional levels, have been characterized previously. This literature review combines frequently reported amino acid substitutions in virus capsid proteins, their critical roles in virus adaptation, and functional characterization of the substitutions. Furthermore, this data can facilitate molecular virologists to develop new vaccine strains against the foot-and-mouth disease virus, revolutionizing vaccinology via reverse genetic engineering and synthetic biology.
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Affiliation(s)
- Hassan Mushtaq
- Health Biotechnology Division, National Institute for Biotechnology and Genetic Engineering-C (NIBGE), Faisalabad 38000, Pakistan; (H.M.); (M.I.)
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad 45650, Pakistan
| | - Syed Salman Shah
- Department of Biotechnology and Genetic Engineering, Hazara University, Mansehra 21300, Pakistan
| | - Yusra Zarlashat
- Department of Biochemistry, Government College University, Faisalabad 38000, Pakistan
| | - Mazhar Iqbal
- Health Biotechnology Division, National Institute for Biotechnology and Genetic Engineering-C (NIBGE), Faisalabad 38000, Pakistan; (H.M.); (M.I.)
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad 45650, Pakistan
| | - Wasim Abbas
- Health Biotechnology Division, National Institute for Biotechnology and Genetic Engineering-C (NIBGE), Faisalabad 38000, Pakistan; (H.M.); (M.I.)
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad 45650, Pakistan
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Mohapatra JK, Dahiya SS, Subramaniam S, Rout M, Biswal JK, Giri P, Nayak V, Singh RP. Emergence of a novel genetic lineage 'A/ASIA/G-18/2019' of foot and mouth disease virus serotype A in India: A challenge to reckon with. Virus Res 2023; 333:199140. [PMID: 37268276 PMCID: PMC10352718 DOI: 10.1016/j.virusres.2023.199140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 05/30/2023] [Accepted: 05/30/2023] [Indexed: 06/04/2023]
Abstract
Foot and mouth disease (FMD) has engendered large scale socioeconomic crises on numerous occasions owing to its extreme contagiousness, transboundary nature, complicated epidemiology, negative impact on productivity, trade embargo, and need for intensive surveillance and expensive control measures. Emerging FMD virus variants have been predicted to have originated and spread from endemic Pool 2, native to South Asia, to other parts of the globe. In this study, 26 Indian serotype A isolates sampled between the year 2015 and 2022 were sequenced for the VP1 region. BLAST and maximum likelihood phylogeny suggest emergence of a novel genetic group within genotype 18, named here as 'A/ASIA/G-18/2019' lineage, that is restricted so far only to India and its eastern neighbour, Bangladesh. The lineage subsequent to its first appearance in 2019 seems to have displaced all other prevalent strains, in support of the phenomenon of 'genotype/lineage turnover'. It has diversified into two distinct sub-clusters, reflecting a phase of active evolution. The rate of evolution of the VP1 region for the Indian serotype A dataset was estimated to be 6.747 × 10-3 substitutions/site/year. India is implementing a vaccination centric FMD control programme. The novel lineage showed good antigenic match with the proposed vaccine candidate A IND 27/2011 when tested in virus neutralization test, while the existing vaccine strain A IND 40/2000 showed homology with only 31% of the isolates. Therefore, in order to combat this challenge of antigenic divergence, A IND 27/2011 could be the preferred strain in the Indian vaccine formulations.
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Affiliation(s)
- Jajati Keshari Mohapatra
- ICAR-National Institute on Foot and Mouth Disease, International Centre for FMD, Arugul, Bhubaneswar 752050, Odisha, India.
| | - Shyam Singh Dahiya
- ICAR-National Institute on Foot and Mouth Disease, International Centre for FMD, Arugul, Bhubaneswar 752050, Odisha, India
| | - Saravanan Subramaniam
- ICAR-National Institute on Foot and Mouth Disease, International Centre for FMD, Arugul, Bhubaneswar 752050, Odisha, India
| | - Manoranjan Rout
- ICAR-National Institute on Foot and Mouth Disease, International Centre for FMD, Arugul, Bhubaneswar 752050, Odisha, India
| | - Jitendra Kumar Biswal
- ICAR-National Institute on Foot and Mouth Disease, International Centre for FMD, Arugul, Bhubaneswar 752050, Odisha, India
| | - Priyabrata Giri
- ICAR-National Institute on Foot and Mouth Disease, International Centre for FMD, Arugul, Bhubaneswar 752050, Odisha, India
| | - Vinayak Nayak
- ICAR-National Institute on Foot and Mouth Disease, International Centre for FMD, Arugul, Bhubaneswar 752050, Odisha, India
| | - Rabindra Prasad Singh
- ICAR-National Institute on Foot and Mouth Disease, International Centre for FMD, Arugul, Bhubaneswar 752050, Odisha, India
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Selective isolation of foot-and-mouth disease virus from coinfected samples containing more than one serotype. Braz J Microbiol 2021; 52:2447-2454. [PMID: 34478107 DOI: 10.1007/s42770-021-00604-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 08/27/2021] [Indexed: 10/20/2022] Open
Abstract
The foot-and-mouth disease virus (FMDV) causes a highly infectious disease of all cloven-footed animals. The RNA genome of the virus continuously evolves, leading to the generation of new strains; this necessitates the selection of new vaccine strains to ensure complete protection. Infection with one FMDV serotype does not provide cross-protection against the other FMDV serotypes. Many of the recovered animals may become carriers of the FMDV, but they still remain susceptible to the other serotypes. Coinfection with multiple FMDV serotypes has been reported and studied to understand the virus evolution. Isolation and characterization of all the involved serotypes in the mixed infection case is essential to understand the molecular evolution of the virus. In this study, two cases of coinfection were studied by selective isolation of each of the FMDV serotypes under the cross-serotype-specific immune pressure. It was estimated that the virus present in a minimum of 10-0.92 TCID50 could be isolated from the mixed population containing other serotypes in infective doses of 100.25 TCID50 or less. All involved serotypes present in the mixed infection cases were isolated, without any cross-contamination. Virus characterization revealed that genotype 2 was of serotype A virus from a sample collected in 1995, which was last reported in 1986, indicating a possible subdued prevalence of the genetic group even after vanishing from the field.
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A Vaccine Strain of the A/ASIA/Sea-97 Lineage of Foot-and-Mouth Disease Virus with a Single Amino Acid Substitution in the P1 Region That Is Adapted to Suspension Culture Provides High Immunogenicity. Vaccines (Basel) 2021; 9:vaccines9040308. [PMID: 33805012 PMCID: PMC8063925 DOI: 10.3390/vaccines9040308] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/19/2021] [Accepted: 03/19/2021] [Indexed: 12/03/2022] Open
Abstract
There are seven viral serotypes of foot-and-mouth disease virus (FMDV): A, O, C, Asia 1, and Southern African Territories 1, 2, and 3 (SAT 1–3). Unlike serotype O FMDV vaccine strains, vaccine strains of serotype A FMDV do not provide broad-range cross-reactivity in serological matching tests with field isolates. Therefore, the topotype/lineage vaccine strain circulating in many countries and a highly immunogenic strain might be advantageous to control serotype A FMDV. We developed a new vaccine strain, A/SKR/Yeoncheon/2017 (A-1), which belongs to the A/ASIA/Sea-97 lineage that frequently occurs in Asian countries. Using virus plaque purification, we selected a vaccine virus with high antigen productivity and the lowest numbers of P1 mutations among cell-adapted virus populations. The A/SKR/Yeoncheon/2017 (A-1) vaccine strain has a single amino acid mutation, VP2 E82K, in the P1 region, and it is perfectly adapted to suspension culture. The A/SKR/Yeoncheon/2017 (A-1) experimental vaccine conferred high immunogenicity in pigs. The vaccine strain was serologically matched with various field isolates in two-dimensional virus neutralization tests using bovine serum. Vaccinated mice were protected against an A/MAY/97 virus that was serologically mismatched with the vaccine strain. Thus, A/SKR/Yeoncheon/2017 (A-1) might be a promising vaccine candidate for protection against the emerging FMDV serotype A in Asia.
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Cell culture propagation of foot-and-mouth disease virus: adaptive amino acid substitutions in structural proteins and their functional implications. Virus Genes 2019; 56:1-15. [PMID: 31776851 PMCID: PMC6957568 DOI: 10.1007/s11262-019-01714-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 11/13/2019] [Indexed: 11/18/2022]
Abstract
Foot-and-mouth disease is endemic in livestock in large parts of Africa and Asia, where it is an important driver of food insecurity and a major obstacle to agricultural development and the international trade in animal products. Virtually all commercially available vaccines are inactivated whole-virus vaccines produced in cell culture, but the adaptation of a field isolate of the virus to growth in culture is laborious and time-consuming. This is of particular concern for the development of vaccines to newly emerging virus lineages, where long lead times from virus isolate to vaccine can delay the implementation of effective control programs. High antigen yields in production cells are also necessary to make vaccines affordable for less developed countries in endemic areas. Therefore, a rational approach to cell culture adaptation that combines prior knowledge of common adaptive mutations and reverse genetics techniques is urgently required. This review provides an overview of amino acid exchanges in the viral capsid proteins in the context of adaptation to cell culture.
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Das B, Mohapatra JK, Pande V, Subramaniam S, Sanyal A. Evolution of foot-and-mouth disease virus serotype A capsid coding (P1) region on a timescale of three decades in an endemic context. INFECTION GENETICS AND EVOLUTION 2016; 41:36-46. [PMID: 27020544 DOI: 10.1016/j.meegid.2016.03.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Revised: 03/17/2016] [Accepted: 03/22/2016] [Indexed: 11/18/2022]
Abstract
Three decades-long (1977-2013) evolutionary trend of the capsid coding (P1) region of foot-and-mouth disease virus (FMDV) serotype A isolated in India was analysed. The exclusive presence of genotype 18 since 2001 and the dominance of the VP3(59)-deletion group of genotype 18 was evident in the recent years. Clade 18c was found to be currently the only active one among the three clades (18a, 18b and 18c) identified in the deletion group. The rate of evolution of the Indian isolates at the capsid region was found to be 4.96×10(-3)substitutions/site/year. The timescale analysis predicted the most recent common ancestor to have existed during 1962 for Indian FMDV serotype A and around 1998 for the deletion group. The evolutionary pattern of serotype A in India appears to be homogeneous as no spatial or temporal structure was observed. Bayesian skyline plots indicate a sharp decline in the effective number of infections after 2008, which might be a result of mass vaccination or inherent loss of virus fitness. Analyses of variability at 38 known antigenically critical positions in a countrywide longitudinal data set suggested that the substitutions neither followed any specific trend nor remained fixed for a long period since frequent reversions and convergence was noticed. A maximum of 6 different amino acid residues was seen in the gene pool at any antigenically critical site over the decades, suggesting a limited combination of residues being responsible for the observed antigenic variation. Evidence of positive selection at some of the antigenically critical residues and the structurally proximal positions suggest a possible role of pre-existing immunity in the host population in driving evolution. The VP1 C-terminus neither revealed variability nor positive selection, suggesting the possibility that this stretch does not contribute to the antigenic variation and adaptation under immune selection.
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Affiliation(s)
- Biswajit Das
- ICAR-Project Directorate on Foot-and-Mouth Disease, Mukteswar-Kumaon, Nainital 263138, India
| | - Jajati K Mohapatra
- ICAR-Project Directorate on Foot-and-Mouth Disease, Mukteswar-Kumaon, Nainital 263138, India.
| | - Veena Pande
- ICAR-Project Directorate on Foot-and-Mouth Disease, Mukteswar-Kumaon, Nainital 263138, India
| | - Saravanan Subramaniam
- ICAR-Project Directorate on Foot-and-Mouth Disease, Mukteswar-Kumaon, Nainital 263138, India
| | - Aniket Sanyal
- ICAR-Project Directorate on Foot-and-Mouth Disease, Mukteswar-Kumaon, Nainital 263138, India.
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Mohapatra JK, Pandey LK, Rai DK, Das B, Rodriguez LL, Rout M, Subramaniam S, Sanyal A, Rieder E, Pattnaik B. Cell culture adaptation mutations in foot-and-mouth disease virus serotype A capsid proteins: implications for receptor interactions. J Gen Virol 2014; 96:553-564. [PMID: 25381054 DOI: 10.1099/vir.0.071597-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
In this study we describe the adaptive changes fixed on the capsid of several foot-and-mouth disease virus serotype A strains during propagation in cell monolayers. Viruses passaged extensively in three cell lines (BHK-21, LFBK and IB-RS-2) consistently gained positively charged amino acids in the putative heparin-sulfate-binding pocket (VP2 βE-βF loop, VP1 C-terminus and VP3 β-B knob) surrounding the fivefold symmetry axis (VP1 βF-βG loop) and at other discrete sites on the capsid (VP3 βG-βH loop, VP1 C-terminus, VP2 βC strand and VP1 βG-βH loop). A lysine insertion in the VP1 βF-βG loop of two of the BHK-21-adapted viruses supports the biological advantage of positively charged residues acquired in cell culture. The charge transitions occurred irrespective of cell line, suggesting their possible role in ionic interaction with ubiquitous negatively charged cell-surface molecules such as glycosaminoglycans (GAG). This was supported by the ability of the cell-culture-adapted variants to replicate in the integrin-deficient, GAG-positive CHO-K1 cells and their superior fitness in competition assays compared with the lower passage viruses with WT genotypes. Substitutions fixed in the VP1 βG-βH loop (-3, -2 and +2 'RGD' positions) or in the structural element known to be juxtaposed against that loop (VP1 βB-βC loop) suggest their possible role in modulating the efficiency and specificity of interaction of the 'RGD' motif with αv-integrin receptors. The nature and location of the substitutions described in this study could be applied in the rapid cell culture adaptation of viral strains for vaccine production.
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Affiliation(s)
- Jajati K Mohapatra
- Project Directorate on Foot and Mouth Disease, IVRI Campus, Mukteswar-263 138, Uttarakhand, India
| | - Laxmi K Pandey
- Project Directorate on Foot and Mouth Disease, IVRI Campus, Mukteswar-263 138, Uttarakhand, India
| | - Devendra K Rai
- Plum Island Animal Disease Center, ARS, USDA, Greenport, NY 11944, USA
| | - Biswajit Das
- Project Directorate on Foot and Mouth Disease, IVRI Campus, Mukteswar-263 138, Uttarakhand, India
| | - Luis L Rodriguez
- Plum Island Animal Disease Center, ARS, USDA, Greenport, NY 11944, USA
| | - Manoranjan Rout
- Project Directorate on Foot and Mouth Disease, IVRI Campus, Mukteswar-263 138, Uttarakhand, India
| | - Saravanan Subramaniam
- Project Directorate on Foot and Mouth Disease, IVRI Campus, Mukteswar-263 138, Uttarakhand, India
| | - Aniket Sanyal
- Project Directorate on Foot and Mouth Disease, IVRI Campus, Mukteswar-263 138, Uttarakhand, India
| | - Elizabeth Rieder
- Plum Island Animal Disease Center, ARS, USDA, Greenport, NY 11944, USA
| | - Bramhadev Pattnaik
- Project Directorate on Foot and Mouth Disease, IVRI Campus, Mukteswar-263 138, Uttarakhand, India
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Biswal JK, Mohapatra JK, Bisht P, Subramaniam S, Sanyal A, Pattnaik B. A positively charged lysine residue at VP2 131 position allows for the enhanced adaptability of foot-and-mouth disease virus serotype A in BHK-21 cells. Biologicals 2014; 43:71-8. [PMID: 25439090 DOI: 10.1016/j.biologicals.2014.07.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Revised: 05/13/2014] [Accepted: 07/06/2014] [Indexed: 11/28/2022] Open
Abstract
Field outbreak strains of foot-and-mouth disease virus (FMDV) infect host cells through certain Arg-Gly-Asp (RGD) dependent integrin family of cellular receptors. In contrast, FMDV adapted in non-host cell cultures are reported to acquire the ability to infect cells via heparin sulphate (HS) or other unidentified cell surface molecules. It has been reported that during the serial passage of FMDV serotype A in BHK-21 cell culture, VP2 E131K (E2131K) substitution was fixed within the heparin sulphate binding site. The fixation of positively charged residue at position VP2 131 of serotype A is considered to associate with the ability to utilise alternative receptor. In this study, an infectious full-length cDNA clone for Indian FMDV vaccine strain A IND 40/2000 was constructed. Through site-directed mutagenesis on the cDNA clone, recombinant virus containing positive charged amino acid residue at position VP2 131 was rescued. The recombinant mutated virus was shown to have specific and strong affinity for HS and demonstrated an enhanced infectivity in BHK-21 cell line. The introduction of lysine residue at VP2 131 position that allows cell culture adaptation of FMDV serotype A could be exploited for the generation of vaccine seed stocks with improved growth properties in BHK-21 cell line.
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Affiliation(s)
- Jitendra K Biswal
- Project Directorate on Foot-and-Mouth Disease (ICAR), Mukteswar, 263138 Nainital, Uttarakhand, India
| | - Jajati K Mohapatra
- Project Directorate on Foot-and-Mouth Disease (ICAR), Mukteswar, 263138 Nainital, Uttarakhand, India
| | - Punam Bisht
- Project Directorate on Foot-and-Mouth Disease (ICAR), Mukteswar, 263138 Nainital, Uttarakhand, India
| | - Saravanan Subramaniam
- Project Directorate on Foot-and-Mouth Disease (ICAR), Mukteswar, 263138 Nainital, Uttarakhand, India
| | - Aniket Sanyal
- Project Directorate on Foot-and-Mouth Disease (ICAR), Mukteswar, 263138 Nainital, Uttarakhand, India
| | - Bramhadev Pattnaik
- Project Directorate on Foot-and-Mouth Disease (ICAR), Mukteswar, 263138 Nainital, Uttarakhand, India.
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