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V. Holzmayer · SciRah

Researcher profile · Semantic Scholar

V. Holzmayer

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V. Holzmayer — researcher profile on SciRah

h-index: 19
Works: 58
Citations: 1,375

Most-cited papers

Confirmation of Putative HIV-1 Group P in Cameroon
A. Vallari, V. Holzmayer, B. Harris, J. Yamaguchi +8 more
2010Journal of Virology219 citations Open access
Semantic Scholar
Hepatitis B Virus Serum DNA andRNA Levels in Nucleos(t)ide Analog‐Treated or Untreated Patients During Chronic and Acute Infection
E. Butler, Jeffrey Gersch, A. Mcnamara, Ka-Cheung Luk +5 more
2018Hepatology149 citations
Semantic Scholar
The Prevalence of Diverse HIV-1 Strains Was Stable in Cameroonian Blood Donors From 1996 to 2004
C. Brennan, P. Bodelle, Rebecca Coffey, S. Devare +16 more
2008Journal of Acquired Immune Deficiency Syndromes95 citations Open access
Semantic Scholar
Persistent Control of Hepatitis B Virus and Hepatitis Delta Virus Infection Following REP 2139‐Ca and Pegylated Interferon Therapy in Chronic Hepatitis B Virus/Hepatitis Delta Virus Coinfection
M. Bazinet, V. Pantea, V. Cebotarescu, Lilia Cojuhari +10 more
2020Hepatology Communications75 citations Open access
Semantic Scholar
Performance of the automated Abbott RealTime HIV-1 assay on a genetically diverse panel of specimens from London: comparison to VERSANT HIV-1 RNA 3.0, AMPLICOR HIV-1 MONITOR v1.5, and LCx HIV RNA Quantitative assays.
P. Swanson, V. Holzmayer, Shi-Hai Huang, P. Hay +6 more
2006Journal of Virological Methods60 citations
Semantic Scholar
Performance of the automated Abbott RealTime HIV-1 assay on a genetically diverse panel of specimens from Brazil.
P. Swanson, Shi-Hai Huang, V. Holzmayer, P. Bodelle +7 more
2006Journal of Virological Methods52 citations Open access
Semantic Scholar
Large-Scale Analysis of the Prevalence and Geographic Distribution of HIV-1 Non-B Variants in the United States
M. Pyne, J. Hackett, V. Holzmayer, D. Hillyard
2013Journal of Clinical Microbiology51 citations Open access
Semantic Scholar
Quantification of HIV-1 group M (subtypes A-G) and group O by the LCx HIV RNA quantitative assay.
P. Swanson, B. Harris, V. Holzmayer, S. Devare +2 more
2000Journal of Virological Methods41 citations
Semantic Scholar
HIV global surveillance: Foundation for retroviral discovery and assay development
C. Brennan, P. Bodelle, Rebecca Coffey, B. Harris +8 more
2006Journal of Medical Virology36 citations Open access
Semantic Scholar
Molecular and Serological Characterization of Hepatitis B Virus (HBV)-Positive Samples with Very Low or Undetectable Levels of HBV Surface Antigen
M. Kuhns, V. Holzmayer, Mark Anderson, A. Mcnamara +5 more
2021Viruses35 citations Open access
Semantic Scholar
HIV-1 Strains Identified in Brazilian Blood Donors: Significant Prevalence of B/F1 Recombinants
C. Brennan, C. Brites, P. Bodelle, A. Golden +9 more
2007AIDS Research and Human Retroviruses35 citations Open access
Semantic Scholar
Identification of rare HIV-1 Group N, HBV AE, and HTLV-3 strains in rural South Cameroon.
Mary A. Rodgers, A. Vallari, B. Harris, J. Yamaguchi +11 more
2017Virology34 citations Open access
Semantic Scholar
Analysis of pol Integrase Sequences in Diverse HIV Type 1 Strains Using a Prototype Genotyping Assay
S. Eshleman, Sarah E. Hudelson, Peter Smith, J. Hackett +4 more
2009AIDS Research and Human Retroviruses32 citations Open access
Semantic Scholar
Improved detection of early acute, late acute, and occult Hepatitis B infections by an increased sensitivity HBsAg assay.
M. Kuhns, V. Holzmayer, A. Mcnamara, Eva Sickinger +2 more
2019Journal of Clinical Virology29 citations Open access
Semantic Scholar
Comparative biomarkers for HBsAg loss with antiviral therapy shows dominant influence of quantitative HBsAg (qHBsAg)
Seng G. Lim, W. W. Phyo, Joanna Zhi Jie Ling, G. Cloherty +19 more
2020Alimentary Pharmacology and Therapeutics28 citations Open access
Semantic Scholar
Identification of human immunodeficiency virus type 1 non‐B subtypes and antiretroviral drug–resistant strains in United States blood donors
C. Brennan, S. Stramer, V. Holzmayer, J. Yamaguchi +4 more
2009Transfusion27 citations Open access
Semantic Scholar
Seroepidemiology of Hepatitis B in the Democratic Republic of the Congo.
P. Thompson, J. Parr, V. Holzmayer, Margaret A. Carrel +9 more
2019American Journal of Tropical Medicine and Hygiene25 citations Open access
Semantic Scholar
Analysis of HBsAg Immunocomplexes and cccDNA Activity During and Persisting After NAP‐Based Therapy
M. Bazinet, Mark Anderson, V. Pantea, G. Plăcinta +14 more
2021Hepatology Communications22 citations Open access
Semantic Scholar
An Efficient, Large-Scale Survey of Hepatitis C Viremia in the Democratic Republic of the Congo Using Dried Blood Spots
J. Parr, Evans K. Lodge, V. Holzmayer, J. Pépin +12 more
2018Clinical Infectious Diseases21 citations Open access
Semantic Scholar
Hepatitis B genotypes and surface antigen mutants present in Pakistani blood donors
B. Harris, V. Holzmayer, H. Qureshi, M. A. Khan +4 more
2017PLoS ONE20 citations Open access
Semantic Scholar
Immune-Escape Mutations Are Prevalent among Patients with a Coexistence of HBsAg and Anti-HBs in a Tertiary Liver Center in the United States
M. J. Ali, P. A. Shah, K. ur Rehman, Satinder P. Kaur +4 more
2024Viruses18 citations Open access
Semantic Scholar
HBsAg isoform dynamics during NAP‐based therapy of HBeAg‐negative chronic HBV and HBV/HDV infection
M. Bazinet, Mark Anderson, V. Pantea, G. Plăcinta +14 more
2022Hepatology Communications18 citations Open access
Semantic Scholar
Hepatitis B seroconversion revisited: new insights into the natural history of acute hepatitis B virus (HBV) infection from quantitative and highly sensitive assays and novel biomarkers
M. Kuhns, V. Holzmayer, A. Mcnamara, Mark Anderson +1 more
2021Virology Journal16 citations Open access
Semantic Scholar
Near Full-Length Genome Characterization of Three Additional HIV Type 1 CRF13_cpx Strains from Cameroon
Ka-Cheung Luk, V. Holzmayer, J. Yamaguchi, P. Swanson +11 more
2007AIDS Research and Human Retroviruses16 citations
Semantic Scholar
Early emergence of anti‐HCV antibody implicates donor origin in recipients of an HCV‐infected organ
Paige M. Porrett, P. Reese, V. Holzmayer, K. Coller +13 more
2019American Journal of Transplantation15 citations Open access
Semantic Scholar
Hepatitis C virus surveillance and identification of human pegivirus 2 in a large Cameroonian cohort
Mary A. Rodgers, V. Holzmayer, A. Vallari, Ana Olivo +10 more
2018Journal of Viral Hepatitis15 citations Open access
Semantic Scholar
Molecular and serological characterization of hepatitis B vaccine breakthrough infections in serial samples from two plasma donors
M. Kuhns, A. Mcnamara, V. Holzmayer, G. Cloherty
2019Virology Journal14 citations Open access
Semantic Scholar
Cryptic HBV Replicative Activity Is Frequently Revealed in Anti-HBc-Positive/HBsAg-Negative Patients with HIV Infection by Highly Sensitive Molecular Assays, and Can Be Predicted by Integrating Classical and Novel Serological HBV Markers
R. Salpini, V. Malagnino, L. Piermatteo, T. Mulas +18 more
2020Microorganisms13 citations Open access
Semantic Scholar
Analysis of PTAP Duplications in the gag p6 Region of Subtype C HIV Type 1
Tamara S. Flys, N. Marlowe, J. Hackett, N. Parkin +4 more
2005AIDS Research and Human Retroviruses13 citations
Semantic Scholar
Hepatitis B Surface Antigen and Hepatitis B RNA Changes in HIV/HBV Co-infected Participants Receiving HBV-active Antiretroviral Therapy for 144 Weeks
C. Hawkins, M. Kang, D. Bhattacharya, G. Cloherty +14 more
2022AIDS (London)12 citations Open access
Semantic Scholar
The Challenge of HIV-1 Genetic Diversity: Discordant CD4+ T-Cell Count and Viral Load in an Untreated Patient Infected With a Subtype F Strain
H. Bolivar, R. Geffin, Gabriel Manzi, M. Fischl +4 more
2009Journal of Acquired Immune Deficiency Syndromes12 citations Open access
Semantic Scholar
Ultrasensitive HBsAg testing predicts HBsAg seroreversion outcomes: considerations for new and existing therapies.
Mark Anderson, V. Holzmayer, Michael Stec, G. Cloherty +1 more
2023Journal of Hepatology11 citations
Semantic Scholar
More DNA and RNA of HBV SP1 splice variants are detected in genotypes B and C at low viral replication
Ka-Cheung Luk, Jeffrey Gersch, B. Harris, V. Holzmayer +4 more
2021Scientific Reports10 citations Open access
Semantic Scholar
Sequencing and Phylogenetic Analysis of Near Full-Length HIV-1 Subtypes A, B, G and Unique Recombinant AC and AD Viral Strains Identified in South Africa
E. Wilkinson, V. Holzmayer, G. Jacobs, T. de Oliveira +4 more
2015AIDS Research and Human Retroviruses10 citations Open access
Semantic Scholar
Near Full-Length Genome Characterization of an HIV Type 1 CRF25_cpx Strain from Cameroon
Ka-Cheung Luk, V. Holzmayer, Nicaise Ndembi, P. Swanson +7 more
2008AIDS Research and Human Retroviruses10 citations
Semantic Scholar
Expanding access to SARS-CoV-2 IgG and IgM serologic testing using fingerstick whole blood, plasma, and rapid lateral flow assays
Mark Anderson, V. Holzmayer, A. Vallari, Russell Taylor +2 more
2021medRxiv8 citations Open access
Semantic Scholar
Characterization of Genetically Diverse HIV Type 1 from a London Cohort: Near Full-Length Genomic Analysis of a Subtype H Strain
V. Holzmayer, C. Aitken, C. Skinner, L. Ryall +2 more
2009AIDS Research and Human Retroviruses8 citations
Semantic Scholar
Quantitative HBeAg is a strong predictor of HBeAg loss among patients receiving pegylated interferon.
Daniel Q. Huang, Liang Shen, W. W. Phyo, G. Cloherty +20 more
2024Antiviral Research7 citations
Semantic Scholar
Sequence Conservation of the Region Targeted by the Abbott RealTime HBV Viral Load Assay in Clinical Specimens
Gavin A. Cloherty, James Rhoads, Thomas P Young, N. Parkin +3 more
2013Journal of Clinical Microbiology7 citations Open access
Semantic Scholar
Frequency of diagnostically significant hepatitis B surface antigen mutants
M. Kuhns, A. Mcnamara, V. Holzmayer, S. Lou +1 more
20077 citations
Semantic Scholar
Identification of hepatitis B virus genotype I in Thailand
V. Holzmayer, R. Hance, P. Defechereux, R. Grant +3 more
2018Journal of Medical Virology6 citations Open access
Semantic Scholar
ARCHITECT HIV Combo Ag/Ab and RealTime HIV-1 Assays Detect Diverse HIV Strains in Clinical Specimens
Mary A. Rodgers, A. Vallari, J. Yamaguchi, V. Holzmayer +9 more
2017AIDS Research and Human Retroviruses6 citations Open access
Semantic Scholar
Hepatitis C RNA assay differences in results: Potential implications for shortened therapy and determination of Sustained Virologic Response
G. Cloherty, S. Chevaliez, C. Sarrazin, C. Herman +7 more
2016Scientific Reports6 citations Open access
Semantic Scholar
Highly Sensitive HBsAg, Anti-HBc and Anti HBsAg Titres in Early Diagnosis of HBV Reactivation in Anti-HBc-Positive Onco-Haematological Patients
C. Cerva, R. Salpini, M. Alkhatib, V. Malagnino +17 more
2022Biomedicines5 citations Open access
Semantic Scholar
Modified ARCHITECT® serologic assays enable plasma-level performance from dried blood spot samples.
V. Holzmayer, Mark Anderson, Nicaise Ndembi, D. Mbanya +2 more
2022BioTechniques5 citations Open access
Semantic Scholar
Detection of SARS-CoV-2 antibodies after confirmed Omicron BA.1 and presumed BA.4/5 infections using Abbott ARCHITECT and Panbio assays
Michael Boler, Mark Anderson, Mary A. Rodgers, Jessica Parumoottil +13 more
2023IJID Regions4 citations Open access
Semantic Scholar
Evaluation of hepatitis C virus antibody assay using dried blood spot samples
V. Holzmayer, Russell Taylor, M. Kuhns, Susan H. Gawel +5 more
2022Scientific Reports4 citations Open access
Semantic Scholar
Analysis of HBsAg levels, HBsAg isoforms, HBsAg immune complexes, HBV pregenomic RNA and HBcrAg dynamics during and after NAP-based combination therapy in the REP 301-LTF and REP 401 studies
M. Bazinet, Mark Anderson, V. Pantea, G. Plăcinta +13 more
2020Journal of Hepatology4 citations Open access
Semantic Scholar
Serological and Molecular Characterization of Occult HBV Infection in Blood Donors from South Italy
A. S. Damiani, V. Holzmayer, C. Galli, Mariangela De Nuzzo +3 more
2023Viruses3 citations Open access
Semantic Scholar
The diversification of SARS-CoV-2 Omicron variants and evaluation of their detection with molecular and rapid antigen assays.
Mark Anderson, V. Holzmayer, B. Harris, Austin Hodges +8 more
2023Journal of Clinical Virology3 citations Open access
Semantic Scholar

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G. Cloherty×22
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G. Cloherty — researcher profile on SciRah
M. Kuhns×20
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M. Kuhns — researcher profile on SciRah
J. Hackett×14
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J. Hackett — researcher profile on SciRah
Mark Anderson×13
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Mark Anderson — researcher profile on SciRah

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S. Devare — researcher profile on SciRah

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D. Mbanya — researcher profile on SciRah

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C. Brennan — researcher profile on SciRah

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B. Harris — researcher profile on SciRah

J. Yamaguchi×9

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J. Yamaguchi — researcher profile on SciRah

Nicaise Ndembi×9

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Nicaise Ndembi — researcher profile on SciRah

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P. Swanson — researcher profile on SciRah

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A. Vallari — researcher profile on SciRah