Virus load
Virus Load and Sequence Variation in Simian Retrovirus Type 2 Infection
... The virus load was estimated from the last dilution at which a positive signal was ...of virus particles per reaction is equal to ⫺ln[F], where F is the fraction of negative reactions in the ...
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Sensitive Enzyme Immunoassay for Hepatitis B Virus Core Related Antigens and Their Correlation to Virus Load
... In the present study, for the purpose of developing a simple, sensitive, and inexpensive assay for determining HBV virus load, we targeted HBcrAg, which is comprised of HBcAg and HBeAg, products of ...
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A Pathogenic Threshold of Virus Load Defined in Simian Immunodeficiency Virus- or Simian-Human Immunodeficiency Virus-Infected Macaques
... replicated to high levels in vivo and more closely followed the patterns of the SIV strains with regard to peak levels of RNA in plasma. Animals infected with RT-SHIV also showed larger individual variations in peak ...
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Contribution of Peaks of Virus Load to Simian Immunodeficiency Virus Pathogenesis
... immunodeficiency virus type 1 infection are not yet fully ...baseline virus load or the so-called viral set ...a virus load measurement from a restricted time range, however, we ignore ...
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Expression of gamma interferon by simian immunodeficiency virus increases attenuation and reduces postchallenge virus load in vaccinated rhesus macaques.
... reduced virus load post- ...vaccine virus (24) or with vaccine virus loads after immunization ...vaccine virus in our study groups was replaced by challenge virus in a relatively ...
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Vaccination with Inactivated Virus but Not Viral DNA Reduces Virus Load following Challenge with a Heterologous and Virulent Isolate of Feline Immunodeficiency Virus
... inactivated virus vaccine, which generates high levels of virus neutralizing antibodies, confers reduced virus loads following challenge with two heterologous isolates, FIV AM6 and FIV GL8 ...
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Quantitation of Varicella Zoster Virus DNA in Whole Blood, Plasma, and Serum by PCR and Electrochemiluminescence
... the virus load, expressed as VZV DNA copies per milliliter, was calculated by amplifying R by a factor of 1,433 for plasma or serum, and by a factor of 5,733 for whole-blood ...
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Relationship between Cytomegalovirus DNA Load in Epithelial Lining Fluid and Plasma of Lung Transplant Recipients and Analysis of Coinfection with Epstein Barr Virus and Human Herpesvirus 6 in the Lung Compartment
... CMV load in symptomatic versus asymptomatic ...the virus loads in both compartments were determined for symp- tomatic and asymptomatic ...median virus load in the ELF was significantly higher ...
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Dynamics of Influenza Virus Infection and Pathology
... the virus shedding and IFN profiles of six immunologically naïve horses (data from reference 36) and to the estimated proportion of total cell death (parameter estimates are shown in Table 2; average estimates ...
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Lagos Bat Virus in Kenya
... demonstrated virus-neutralizing activity (11, ...infectious virus, viral RNA, and antigen in various tissues contributes to this ...of virus isolation from several tissues that demon- strated the ...
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Interleukin-4 Up-Regulates Mouse Mammary Tumor Virus Expression yet Is Not Required for In Vivo Virus Spread
... eliminated virus- infected cells more ...the virus load in the null mice, the change in the balance of Th1 and Th2 cells apparently did not affect antiviral immune ...
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Systemic and Local Infection Routes Govern Different Cellular Dissemination Pathways during Gammaherpesvirus Infection In Vivo
... monitor virus spread to other cell types and ...recombined) virus load per gram of organ for individual mice as open circles that refer to the logarithmic scale on the right ...
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Combining Multiplex Reverse Transcription PCR and a Diagnostic Microarray To Detect and Differentiate Enterovirus 71 and Coxsackievirus A16
... Cluster A enteroviruses, including enterovirus 71 (EV71) and coxsackievirus A16 (CA16), are known to cause hand-foot-and-mouth disease (HFMD). Despite the close genetic relationship between these two viruses, EV71 is ...
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Evidence for Recombination of Live, Attenuated Immunodeficiency Virus Vaccine with Challenge Virus to a More Virulent Strain
... lenge virus strains (reviewed in references 1, 6, and 13) even in the absence of a sterilizing immunity ...immunodeficiency virus vaccines in ...vaccine virus (20, 31), further attenuation of the ...
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Viral Phenotypes and Antibody Responses in Long-Term Survivors Infected with Attenuated Human Immunodeficiency Virus Type 1 Containing Deletions in the nef and Long Terminal Repeat Regions
... isolated virus revealed only small changes over the time period tested for subjects D36, C18, C54, C64, and ...isolated virus declined for a number of sub- jects; however, it remains unclear whether this ...
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Commentary on the role of treatment-related HIV compensatory mutations on increasing virulence: new discoveries twenty years since the clinical testing of protease inhibitors to block HIV-1 replication
... Aside from their antiviral potency on HIV in tissue cul- ture, PIs were perceived as better than the rest because of their small enzymatic target with a pleotropic cleavage pattern. On average, 50 HIV-1 proteases, ...
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Diagnostic and Epidemiologic Features of Hepatitis C among Hemodialysis Patients Living in Yazd Province of Iran
... Prevalence of HCV-Ab positivity (6.4%) is more than HCV RNA PCR positivity (2.1%) in our study. The HCV antibody test is very sensitive and can sometimes cross-react with other antibodies. False-positive ELISA tests are ...
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Antiviral treatment normalizes neurophysiological but not movement abnormalities in simian immunodeficiency virus–infected monkeys
... viral load. Virus was present in all seven regions of the brain sampled by the bDNA assay (Table 1), and SIV could also be detected by in situ hybridiza- tion (Figure ...
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Comparison of Three Roche Hepatitis B Virus Viral Load Assay Formats
... During any limited assay validation and study, it is difficult to rigorously test a system’s or assay’s performance with regard to cross-contamination potential. Additionally, the viral loads of samples used in the ...
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Comparative Evaluation of the ExaVir Load Version 3 Reverse Transcriptase Assay for Measurement of Human Immunodeficiency Virus Type 1 Plasma Load
... The introduction of combination antiretroviral therapy in resource-limited countries has resulted in significant reduc- tions in morbidity and mortality (8, 13, 22). It generally is accepted that the unavailability of ...
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