Publications by authors named "Charl Coleman"

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The evolution and interpretation of seroprevalence of SARS-CoV-2 antibodies among South African blood donors from the Beta to Omicron variant-driven waves.
Marion Vermeulen, Laurette Mhlanga, Wendy Sykes, Russell Cable, Charl Coleman

Vox Sang· March 2024

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Estimates of prevalence of anti-SARS-CoV-2 antibodies among blood donors in South Africa in March 2022.
Jeremy Bingham, Russel Cable, Charl Coleman, Tanya Nadia Glatt, Eduard Grebe

Res Sq· May 2022

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Estimates of prevalence of anti-SARS-CoV-2 antibodies among blood donors in eight provinces of South Africa in November 2021.
Russel Cable, Charl Coleman, Tanya Glatt, Eduard Grebe, Laurette Mhlanga

Res Sq· February 2022

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Prevalence of anti-SARS-CoV-2 antibodies among blood donors in Northern Cape, KwaZulu-Natal, Eastern Cape, and Free State provinces of South Africa in January 2021.
Wendy Sykes, Laurette Mhlanga, Ronel Swanevelder, Tanya Nadia Glatt, Eduard Grebe, Charl Coleman

Res Sq· February 2021

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Comparison of two nucleic acid amplification technology systems for detection of human immunodeficiency virus, hepatitis B virus, and hepatitis C virus.
Charl Coleman, Nico Lelie, Ronel Rademeyer, Harry van Drimmelen, Karin van den Berg

Transfusion· December 2020

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Direct comparison of three residual risk models for hepatitis B virus window period infections using updated input parameters.
Nico Lelie, Marion Vermeulen, Harry van Drimmelen, Charl Coleman, Roberta Bruhn

Vox Sang· April 2020

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Reassessment of hepatitis B virus window periods for two transcription-mediated amplification assays using screening data of South African blood donors.
Marion Vermeulen, Harry van Drimmelen, Charl Coleman, Wendy Sykes, Ravi Reddy

Transfusion· September 2019

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The prevalence of human T-lymphotropic virus type 1 & 2 (HTLV-1/2) in South African blood donors.
Marion Vermeulen, Wendy Sykes, Charl Coleman, Brian Custer, Genevieve Jacobs

Vox Sang· July 2019

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Assessment of HIV transfusion transmission risk in South Africa: a 10-year analysis following implementation of individual donation nucleic acid amplification technology testing and donor demographics eligibility changes.
Marion Vermeulen, Nico Lelie, Charl Coleman, Wendy Sykes, Genevieve Jacobs

Transfusion· January 2019

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A mathematical approach to estimate the efficacy of individual-donation and minipool nucleic acid amplification test options in preventing transmission risk by window period and occult hepatitis B virus infections.
Marion Vermeulen, Harry van Drimmelen, Charl Coleman, Josephine Mitchel, Ravi Reddy

Transfusion· October 2014

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Comparison of human immunodeficiency virus assays in window phase and elite controller samples: viral load distribution and implications for transmission risk.
Marion Vermeulen, Charl Coleman, Josephine Mitchel, Ravi Reddy, Harry van Drimmelen

Transfusion· October 2013

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Sensitivity of individual-donation and minipool nucleic acid amplification test options in detecting window period and occult hepatitis B virus infections.
Marion Vermeulen, Charl Coleman, Josephine Mitchel, Ravi Reddy, Harry van Drimmelen

Transfusion· October 2013

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Transmitted/founder and chronic subtype C HIV-1 use CD4 and CCR5 receptors with equal efficiency and are not inhibited by blocking the integrin α4β7.
Nicholas F Parrish, Craig B Wilen, Lauren B Banks, Shilpa S Iyer, Jennifer M Pfaff, Charl Coleman

PLoS Pathog· October 2012

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Hepatitis B virus transmission by blood transfusion during 4 years of individual-donation nucleic acid testing in South Africa: estimated and observed window period risk.
Marion Vermeulen, Caroline Dickens, Nico Lelie, Evangelia Walker, Charl Coleman

Transfusion· April 2012

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