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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1-2
pubmed:dateCreated
2008-8-15
pubmed:abstractText
The recent type A foot and mouth disease virus field isolates recovered in India are shown to be antigenically quite divergent from the in-use vaccine strain (IND 17/82), warranting the selection of a suitable vaccine strain which can cover this diversity in antigenic spectrum. In earlier studies employing neutralization test with anti-146S rabbit sera raised against eight candidate vaccine strains, IND 81/00 and IND 40/00 belonging to genotype VII were found to offer the best antigenic coverage. In order to assess the credibility of IND 81/00 and IND 40/00 as vaccine strains, 17 recent isolates received during 2005-2006 and representative isolates from older genotypes were subjected to two-dimensional micro-neutralization assay using bovine convalescent serum (against IND 81/00 and IND 40/00) and bovine vaccinate serum (against IND 40/00). From the results it is evident that both the isolates IND 81/00 (antigenic relationship 'r-value' >0.40 with 86% of isolates) and IND 40/00 ('r-value' >0.40 with 78% of isolates) show nearly equal antigenic relatedness with the recent field viruses and hence both of these are effective vaccine candidates in present context. Though very limited in its extent, these useful data obtained with antisera raised in homologous host system are logical extension of the on going quest for the appropriate vaccine strain and circumvents species disparities in the immune recognition of epitopes.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0378-1135
pubmed:author
pubmed:issnType
Print
pubmed:day
18
pubmed:volume
131
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
65-72
pubmed:meshHeading
pubmed-meshheading:18394827-Amino Acid Sequence, pubmed-meshheading:18394827-Animals, pubmed-meshheading:18394827-Antigenic Variation, pubmed-meshheading:18394827-Antigens, Viral, pubmed-meshheading:18394827-Cattle, pubmed-meshheading:18394827-Cattle Diseases, pubmed-meshheading:18394827-Foot-and-Mouth Disease, pubmed-meshheading:18394827-Foot-and-Mouth Disease Virus, pubmed-meshheading:18394827-Genotype, pubmed-meshheading:18394827-Immune Sera, pubmed-meshheading:18394827-India, pubmed-meshheading:18394827-Molecular Sequence Data, pubmed-meshheading:18394827-Neutralization Tests, pubmed-meshheading:18394827-Phylogeny, pubmed-meshheading:18394827-Rabbits, pubmed-meshheading:18394827-Sequence Homology, Amino Acid, pubmed-meshheading:18394827-Serotyping, pubmed-meshheading:18394827-Species Specificity, pubmed-meshheading:18394827-Viral Vaccines
pubmed:year
2008
pubmed:articleTitle
Assessment of suitability of two serotype A candidate vaccine strains for inclusion in FMD vaccine in India.
pubmed:affiliation
Project Directorate on Foot-and-Mouth Disease, Indian Veterinary Research Institute Campus, Mukteswar-Kumaon, Nainital 263138, Uttarakhand, India. jajati1@gmail.com
pubmed:publicationType
Journal Article