vaccine strains
Investigation of Genetic Variations in Virulence Factor Genes ptxC, tcfA, and fhaB of Bordetella pertussis Clinical Isolates and Vaccine Strains in Iran
... affect vaccine potency and ...between strains, gives some strains an advantage in fighting against host defense mechanisms, or in overcoming immunity, still remains without a clear ...circulating ...
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A gel based PCR method to differentiate sheeppox virus field isolates from vaccine strains
... Morocco vaccine, a Romanian strain, we identified a region of 84 bp nucleotide deletion in the vaccine ...cine strains and SPPV field isolates available for this study, showed this deletion to be ...
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Computational Prediction of Vaccine Strains for Human Influenza A (H3N2) Viruses
... viral strains (26–28). The anti- genic phenotype of viral strains can be quantified with the hem- agglutination inhibition (HI) assay, which measures the antigenic similarity of two viral isolates based on ...
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Genotypic linkages of vp6 gene of human rotavirus isolates circulating In pediatric patients with acute gastroenteritis in haryana and comparison Of antigenic epitopes with vaccine strains
... Plasmid extracted from these clones were used for nucleotide sequencing by Automated DNA sequencer (ABI Prism). Genotyping on the basis of VP6 was done by RotaC [http://rotac.regatools.be/] (Maes et al., 2009). ...
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Homogeneity of Mycoplasma agalctiae vaccine strains in an agalaxy- high-burden environment
... Mag vaccine strains of Lorestan, Shiraz and Taliqan, preserved frozen in glass vials at -70°C from the RVSRI bacterial ar- chive, were revived through transfer of 5 ml of the thawed material to two Falcon ...
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Efficacy of an inactivated bivalent vaccine against the prevalent strains of Newcastle disease and H9N2 avian influenza
... and strains recently isolated from chickens have also been shown to belong to this geno- ...used vaccine strain LaSota and B1 in the immune responses they evoke [8, ...and vaccine strains ...
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Emergence of mosaic recombinant strains potentially associated with vaccine JXA1 R and predominant circulating strains of porcine reproductive and respiratory syndrome virus in different provinces of China
... HP-PRRSV-like strains (subline- age 10.6) and JXA1-R vaccine strains (sublineage ...tween strains NADC30 (lineage 9) and ...between strains NADC30, 2009–2010 HP- PRRSV, and ...
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Morbillivirus Downregulation of CD46
... for vaccine strains and some wild-type strains of measles virus (MV) (9, 10, 22, 24, 26, ...ated vaccine strains of MV but not following infection with some wild-type strains, ...
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Strain Variation among Bordetella pertussis Isolates Circulating in Poland after 50 Years of Whole Cell Pertussis Vaccine Use
... pertussis strains from Poland isolated in 1999 to 2004 to be different from those observed in seven other European countries using the PFGE technique ...to vaccine strains used for production of the ...
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Strain Variation in Adenovirus Serotypes 4 and 7a Causing Acute Respiratory Disease
... The pattern of evolution in AV 4 is more complex than that in AV 7a and appears to resemble that of influenza virus. A small but constant genetic drift is punctuated by the periodic appearance of a new strain that ...
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Human rotavirus strains circulating in Venezuela after vaccine introduction: predominance of G2P[4] and reemergence of G1P[8]
... in vaccine-mediated immunological protection against RV disease, as well as the VP8* sub- unit of VP4 protein participates in viral infectivity and neutralization ...post-vaccine strains showed amino ...
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The Double-Edged Sword: How Evolution Can Make or Break a Live-Attenuated Virus Vaccine
... live-attenuated strains may result in competition or facilitation between individual vaccine viruses, resulting in undesirable increases in virulence or decreases in immuno- ...extreme, ...
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... G1 strains showed substitutions in their VP7 and VP4 antigenic epitopes when compared with vaccine ...of strains, out of which two (97,147) were known neutralisation escape sites ...1 strains ...
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Reassortment of bluetongue virus vaccine serotypes in cattle
... between vaccine and field strains when simultaneously administered to ...five strains of modified live vaccine bluetongue virus and a virulent field isolate of bluetongue virus ...and ...
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A Recombinant Attenuated Mycobacterium tuberculosis Vaccine Strain Is Safe in Immunosuppressed Simian Immunodeficiency Virus-Infected Infant Macaques
... BCG vaccine, we hypothesized that a rationally attenuated strain of hu- man-adapted ...better vaccine platform than bovine-adapted ...tuberculosis strains, their safety, and their immunogenicity ...
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Divergent H7 Immunogens Offer Protection from H7N9 Virus Challenge
... a vaccine based on a novel strain usually takes several months and might come too late if the virus acquires sus- tained human-to-human ...H7 strains of both lineages, which enables robust protection from ...
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Modulation of humoral response to a 12-amino-acid site on the poliovirus virion.
... Several strains of the virus including the Sabin vaccine strains of all three serotypes and the parental neurovirulent strains of poliovirus 1 [Mahoney] and poliovirus 3 [Leon] have been[r] ...
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Characterization of Strains of Mycoplasma mycoidessubsp mycoides Small Colony Type Isolated from Recent Outbreaks of Contagious Bovine Pleuropneumonia in Botswana and Tanzania: Evidence for a New Biotype
... Four strains of Mycoplasma mycoides ...and vaccine strains (African, Australian, and European strains dating back to ...African strains, hybridization with IS1296 shows the absence of a ...
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Genomic Features of Intertypic Recombinant Sabin Poliovirus Strains Excreted by Primary Vaccinees
... of vaccine strains in the gut, optimiz- ing the chances of two viruses infecting the same cell and thereby exchanging genetic material by ...different strains, the role of replication requirements or ...
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Isolation, Characterization and Standardization of New Infectious Bursal Disease Virus for Development of a Live Vaccine
... Chickens infected with IBDV experience suppression in both humoral and cellular immunity. Humoral immunosuppression appears to be associated with IBDV-induced B-cell destruction, while the mechanism of cellular ...
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