Browsing Research Articles (Medical Virology) by Title

Browsing Research Articles (Medical Virology) by Title

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  • Prevalence and diversity of rotavirus strains in children with acute diarrhea from rural communities in the Limpopo Province South Africa, from 1998 to 2000 
    Potgieter, Natasha; De Beer, Mariet C.; Taylor, Maureen B.; Steele, Andrew Duncan (University of Chicago Press, 2010)
    BACKROUND: Data regarding the prevalence and molecular epidemiology of rotavirus infection in rural areas of Africa are limited. In this study the prevalence and genetic diversity of rotaviruses in a rural South African setting ...
  • Prevalence and outcomes of HIV-1 diagnostic challenges during universal birth testing – an urban South African observational cohort 
    Technau, Karl-Gunter; Mazanderani, Ahmad Haeri; Kuhn, Louise; Hans, Lucia; Strehlau, Renate; Abrams, Elaine J.; Conradie, Martie; Coovadia, Ashraf; Mbete, Ndileka; Murnane, Pamela M.; Patel, Faeezah; Shiau, Stephanie; Tiemessen, Caroline T.; Sherman, Gayle G. (BioMed Central, 2017-08-29)
    IINTRODUCTION : HIV-1 polymerase chain reaction (PCR) testing at birth aims to facilitate earlier initiation of antiretroviral therapy (ART) for HIV-infected neonates. Data from two years of universal birth testing ...
  • The prevalence of HIV in the sudden, unexplained and unexpected death population at the Pretoria Medico-Legal Laboratory 
    Morris, Neil Kenneth; Du Toit-Prinsloo, Lorraine; Webber, Lynne M.; Saayman, Gert (Health and Medical Publishing Group, 2016-05-31)
    PURPOSE : To determine the prevalence of HIV in the sudden, unexplained and unexpected (SUU) death population admitted to the Pretoria Medico-Legal Laboratory. METHODS : This study was conducted at the Pretoria Medico-Legal ...
  • Prevalence of vaccine-derived polioviruses in sewage and river water in South Africa 
    Pavlov, Dobromir Nikolov; Van Zyl, Walda B.; Van Heerden, J.; Grabow, W.O.K.; Ehlers, Marthie Magdaleen (Elsevier, 2005-09)
    Polioviruses (PVs) are not associated with waterborne transmission to the same extent as many other enteric viruses. However, they are typically transmitted by the faecal-oral route, which implies that the risk of infection ...
  • Prevalence of vaccine-derived polioviruses in stools of immunodeficient children in South Africa 
    Pavlov, Dobromir Nikolov; Van Zyl, Walda B.; Van Heerden, J.; Kruger, Marlena C.; Blignaut, Liezl; Grabow, W.O.K.; Ehlers, Marthie Magdaleen (Blackwell, 2006-12)
    Aims: The aim of the study was to determine the prevalence of vaccine-derived polioviruses (VDPVs) in stool specimens of immunodeficient patients such as HIV-positive children (including those with an AIDS indicator ...
  • Primeras detecciones de Aedes albopictus (mosquito tigre) en la región de Extremadura, oeste de Espana 
    Bravo-Barriga, Daniel; Almeida, Antonio Paulo Gouveia; Parreira, Ricardo; Jimenez-Vidal, Daniel; Perez-Martin, Juan Enrique; Martín-Cuervo, María; Frontera, Eva (Elsevier Espana, 2019)
    La rápida expansión de Aedes (Stegomyia) albopictus (Skuse,1894) en Espa˜na desde su detección por primera vez en Catalu˜naen 20041ha demostrado su alta capacidad de dispersión y adapta-ción a diferentes ecosistemas. Esta ...
  • Progressive HIV infection in the presence of a raised CD4+ count : HIV/HTLV-1 co-infection 
    Haeri Mazanderani, Ahmad F.; Ebrahim, Osman (Health and Medical Publishing Group, 2013-06)
    There are a number of pathophysiological causes for a normal or raised CD4 count in the context of progressive HIV infection. These include various co-infections, previous splenectomy, and lymphoproliferative disorders. ...
  • Quantification and molecular characterisation of human sapoviruses in water sources impacted by highly polluted discharged wastewater in South Africa 
    Murray, Tanya Y.; Taylor, Maureen B. (IWA Publishing, 2015-12)
    Sapoviruses (SaVs) were detected and quantified in 8/10 water samples collected from wastewater treatment works (WWTW) and water sources impacted by these WWTWs in Limpopo Province, South Africa. The median SaV concentration ...
  • Quantitative analysis of a urine-based assay for detection of lipoarabinomannan in patients with tuberculosis 
    Shah, Maunank; Martinson, Neil A.; Chaisson, Richard E.; Martin, Desmond J.; Variava, Ebrahim; Dorman, Susan E. (American Society for Microbiology, 2010-08)
    Urinary lipoarabinomannan (LAM) detection is a promising approach for rapid diagnosis of active tuberculosis (TB). In microbiologically confirmed TB patients, quantitative LAM detection results increased progressively with ...
  • A rabies-related lyssavirus from a Nycticeinops schlieffeni bat with neurological signs, South Africa 
    Viljoen, Natalie; Ismail, Arshad; Weyer, Jacqueline; Markotter, Wanda (American Society for Microbiology, 2023-11)
    We report the coding-complete sequence of a lyssavirus, provisionally designated Phala bat lyssavirus (PBLV), characterized using a metagenomics approach. PBLV was identified in a Nycticeinops schlieffeni bat that exhibited ...
  • Race in health research : considerations for researchers and research ethics committees 
    Van Staden, Werdie; Nienaber, A.; Rossouw, T.; Turner, A.C. (Astrid); Filmalter, Cecilia Jacoba; Nel, Jan Gert; Bapela, S.; Beetge, Mia-Michaela; Blumenthal, Ryan; Castelyn, Camille De Villebois; De Witt-Jordaan, T.W. (Wilma); Dlagnekova, Antonia; Kotze, Carla; Mangwane, S.; Napoles, Lizeka; Somers, R.; Sykes, Leanne M.; Van Zyl, W.B.; Venter, Marietjie; Uys, Andre; Warren, Nichola (South African Medical Association, 2023-04)
    This article provides ethical guidance on using race in health research as a variable or in defining the study population. To this end, a plain, non-exhaustive checklist is provided for researchers and research ethics ...
  • Rapid epidemic expansion of the SARS-CoV-2 Omicron variant in southern Africa 
    Viana, Raquel; Moyo, Sikhulile; Amoako, Daniel G.; Tegally, Houriiyah; Scheepers, Cathrine; Althaus, Christian L.; Anyaneji, Ugochukwu J.; Bester, Phillip A.; Boni, Maciej F.; Chand, Mohammed; Choga, Wonderful T.; Colquhoun, Rachel; Davids, Michaela; Deforche, Koen; Doolabh, Deelan; Du Plessis, Louis; Engelbrecht, Susan; Everatt, Josie; Giandhari, Jennifer; Giovanetti, Marta; Hardie, Diana; Hill, Verity; Hsiao, Nei-Yuan; Iranzadeh, Arash; Ismail, Arshad; Joseph, Charity; Joseph, Rageema; Koopile, Legodile; Pond, Sergei L. Kosakovsky; Kraemer, Moritz U.G.; Kuate-Lere, Lesego; Laguda-Akingba, Oluwakemi; Lesetedi-Mafoko, Onalethatha; Lessells, Richard; Lockman, Shahin; Lucaci, Alexander G.; Maharaj, Arisha; Mahlangu, Boitshoko; Maponga, Tongai; Mahlakwane, Kamela; Makatini, Zinhle; Marais, Gert; Maruapula, Dorcas; Masupu, Kereng; Matshaba, Mogomotsi; Mayaphi, Simnikiwe; Mbhele, Nokuzola; Mbulawa, Mpaphi B.; Mendes, Adriano; Mlisana, Koleka; Mnguni, Anele; Mohale, Thabo; Moir, Monika; Moruisi, Kgomotso; Mosepele, Mosepele; Motsatsi, Gerald; Motswaledi, Modisa S.; Mphoyakgosi, Thongbotho; Msomi, Nokukhanya; Mwangi, Peter N.; Naidoo, Yeshnee; Ntuli, Noxolo; Nyaga, Martin; Olubayo, Lucier; Pillay, Sureshnee; Radibe, Botshelo; Ramphal, Yajna; Ramphal, Upasana; San, James E.; Scott, Lesley; Shapiro, Roger; Smith-Lawrence, Pamela; Stevens, Wendy; Strydom, Amy; Subramoney, Kathleen; Tebeila, Naume; Tshiabuila, Derek; Tsui, Joseph; Van Wyk, Stephanie; Weaver, Steven; Wibmer, Constantinos K.; Wilkinson, Eduan; Wolter, Nicole; Zarebski, Alexander E.; Zuze, Boitumelo; Goedhals, Dominique; Preise, Wolfgang; Treurnicht, Florette; Venter, Marietjie; Williamson, Carolyn; Pybus, Oliver G.; Bhiman, Jinal; Glass, Allison; Martin, Darren P.; Rambaut, Andrew; Gaseitsiwe, Simani; Von Gottberg, Anne; De Oliveira, Tulio (Nature Research, 2022-03-24)
    The SARS-CoV-2 epidemic in southern Africa has been characterized by three distinct waves. The first was associated with a mix of SARS-CoV-2 lineages, while the second and third waves were driven by the Beta (B.1.351) ...
  • Rapid molecular strategy for filovirus detection and characterization 
    Zhai, Junhui; Palacios, Gustavo; Towner, Jonathan S.; Jabado, Omar; Kapoor, Vishal; Venter, Marietjie; Grolla, Allen; Briese, Thomas; Paweska, Janusz Tadeusz; Swanepoel, Robert; Feldmann, Heinz; Nichol, Stuart T.; Lipkin, Ian W. (American Society for Microbiology, 2007-01)
    Filoviruses have the capacity to cause lethal outbreaks of hemorrhagic fever in primates. Here we present a simple consensus reverse transcription-PCR method for filovirus recognition and characterization and demonstrate ...
  • Rapid reverse transcriptase recombinase polymerase amplification assay for flaviviruses using non-infectious in vitro transcribed RNA as positive controls 
    Bonnet, Elise; Van Jaarsveldt, Danelle; Burt, Felicity Jane (Elsevier, 2022-01)
    West Nile virus (WNV) and Wesselsbron virus (WSLV) are mosquito-borne viruses belonging to the Flavivirus genus, family Flaviviridae and cause outbreaks in southern Africa after heavy rain. Isothermal assays have been ...
  • Recommendations for the management of indeterminate HIV PCR results within South Africa’s early infant diagnosis programme 
    Mazanderani, Ahmad Haeri; Technau, Karl-Gunter; Hsiao, Nei-Yuan; Maritz, Jean; Carmona, Sergio; Sherman, Gayle G. (Health and Medical Publishing Group, 2016-05-13)
    Indeterminate HIV PCR results represent missed diagnostic opportunities within South Africa’s early infant diagnosis programme. These results not only delay diagnosis and appropriate management but are also a source of ...
  • Rediscovery of Haematobosca zuluensis (Zumpt), (Diptera, Stomoxyinae) : re-description and amended keys for the genus 
    Braack, L.E.O.; Pont, Adrian C. (BioMed Central, 2012-11-21)
    BACKGROUND: Prior to this publication, the biting fly Haematobosca zuluensis (Zumpt, 1950) (Diptera, Muscidae, Stomoxyinae) was known only from a single male specimen collected in 1923 in Zululand, South Africa. Seven ...
  • Reemergence of recombinant vaccine-derived poliovirus outbreak in Madagascar 
    Rakoto-Andrianarivelo, Mala; Gumede, Nicksy; Jegouic, Sophie; Balanant, Jean; Andriamamonjy, Seta N.; Rabemanantsoa, Sendraharimanana; Birmingham, Maureen; Randriamanalina, Bakolalao; Nkolomoni, Léon; Venter, Marietjie; Schoub, Barry D.; Delpeyroux, Francis; Reynes, Jean-Marc (University of Chicago Press, 2008-05-15)
    Background. After the 2001–2002 poliomyelitis outbreak due to recombinant vaccine-derived polioviruses (VDPVs) in the Toliara province of Madagascar, another outbreak reoccurred in the same province in 2005. Methods. We ...
  • Replacement of neuraminidase inhibitor-susceptible influenza A(H1N1) with resistant phenotype in 2008 and circulation of susceptible influenza A and B viruses during 2009-2013, South Africa 
    Treurnicht, Florette K.; Buys, Amelia; Tempia, Stefano; Seleka, Mpho; Cohen, Adam L.; Walaza, Sibongile; Glass, Allison J.; Rossouw, Inez; McAnerney, Johanna; Blumberg, Lucille Hellen; Cohen, Cheryl; Venter, Marietjie (Wiley Open Access, 2019-01)
    BACKGROUND : Data on the susceptibility of influenza viruses from South Africa to neuraminidase inhibitors (NAIs) are scarce, and no extensive analysis was done. OBJECTIVES : We aimed to determine oseltamivir and zanamivir ...
  • Replacement of previously circulating respiratory syncytial virus subtype B strains with the BA genotype in South Africa 
    Van Niekerk, Stephanie; Venter, Marietjie (American Society for Microbiology, 2011-09)
    Respiratory Syncytial Virus (RSV) is a major cause of bronchiolitis and pneumonia in infants, immunocompromised and the elderly in both developed and developing countries. Re-infections are common and G protein variability ...
  • Respiratory viral coinfections identified by a 10-plex real-time reverse-transcription polymerase chain reaction assay in patients hospitalized with severe acute respiratory iIllness, South Africa, 2009–2010 
    Pretorius, Marthi Andréa; Madhi, Shabir A.; Cohen, Cheryl; Naidoo, Dhamari; Groome, Michelle; Moyes, Jocelyn; Buys, Amelia; Walaza, Sibongile; Dawood, Halima; Chhagan, Meera; Haffejee, Summaya; Kahn, Kathleen; Puren, Adrian; Venter, Marietjie (Oxford University Press, 2012)
    BACKGROUND: Data about respiratory co-infections of Influenza A H1N1 during the pandemic in Africa are limited. We used an existing surveillance programme for severe acute respiratory illness (SARI) to evaluate a new ...