Browsing Research Articles (Medical Virology) by Title

Browsing Research Articles (Medical Virology) by Title

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  • Economic evaluation of rotavirus vaccination in children aged under five years in South Africa 
    Mohy, Ahmed; Page, N.A. (Nicola); Boyce, Welekazi; Gomez, Jorge A. (Springer, 2023-11)
    BACKGROUND AND OBJECTIVE Evidence on the economic value of rotavirus vaccines in middle-income countries is limited. We aimed to model the implementation of three vaccines (human rotavirus, live, attenuated, oral vaccine ...
  • Effectiveness and knowledge, attitudes and practices of seasonal influenza vaccine in primary healthcare settings in South Africa, 2010-2013 
    McAnerney, Johanna M.; Walaza, Sibongile; Cohen, Adam L.; Tempia, Stefano; Buys, Amelia; Venter, Marietjie; Blumberg, Lucille Hellen; Duque, Jazmin; Cohen, Cheryl (Wiley, 2015-10)
    OBJECTIVES : Influenza vaccine effectiveness (VE) and coverage data for sub-Saharan Africa are scarce. Using a test-negative case–control design, we estimated influenza VE annually among individuals with influenza-like ...
  • The effects of the attributable fraction and the duration of symptoms on burden estimates of influenza-associated respiratory illnesses in a high HIV prevalence setting, South Africa, 2013-2015 
    Tempia, Stefano; Walaza, Sibongile; Moyes, Jocelyn; Cohen, Adam L.; Von Mollendorf, Claire; McMorrow, Meredith L.; Mhlanga, Sarona; Treurnicht, Florette K.; Venter, Marietjie; Pretorius, Marthi A.; Hellferscee, Orienka; Wolter, Nicole; Von Gottberg, Anne; Nguweneza, Arthemon; McAnerney, Johanna M.; Dawood, Halima; Variava, Ebrahim; Madhi, Shabir A.; Cohen, Cheryl (Wiley Open Access, 2018-05)
    BACKGROUND : The attributable fraction of influenza virus detection to illness (INF-AF) and the duration of symptoms as a surveillance inclusion criterion could potentially have substantial effects on influenza disease ...
  • Emergence and phenotypic characterization of the global SARS-CoV-2 C.1.2 lineage 
    Scheepers, Cathrine; Everatt, Josie; Amoako, Daniel G.; Tegally, Houriiyah; Wibmer, Constantinos Kurt; Mnguni, Anele; Ismail, Arshad; Mahlangu, Boitshoko; Lambson, Bronwen E.; Martin, Darren P.; Wilkinson, Eduan; San, James Emmanuel; Giandhari, Jennifer; Manamela, Nelia; Ntuli, Noxolo; Kgagudi, Prudence; Cele, Sandile; Richardson, Simone I.; Pillay, Sureshnee; Mohale, Thabo; Ramphal, Upasana; Naidoo, Yeshnee; Khumalo, Zamantungwa Thobeka Happiness; Kwatra, Gaurav; Gray, Glenda; Bekker, Linda‑Gail; Madhi, Shabir A.; Baillie, Vicky; Van Voorhis, Wesley C.; Treurnicht, Florette K.; Venter, Marietjie; Mlisana, Koleka; Wolter, Nicole; Sigal, Alex; Williamson, Carolyn; Hsiao, Nei-yuan; Msomi, Nokukhanya; Maponga, Tongai; Preiser, Wolfgang; Makatini, Zinhle; Lessells, Richard; Moore, Penny L.; De Oliveira, Tulio; Von Gottberg, Anne; Bhiman, Jinal N. (Nature Research, 2022-04-08)
    Global genomic surveillance of SARS-CoV-2 has identified variants associated with increased transmissibility, neutralization resistance and disease severity. Here we report the emergence of the PANGO lineage C.1.2, ...
  • Emergence of a novel GII.17 norovirus – end of the GII.4 era? 
    De Graaf, M.; Van Beek, J.; Vennema, H.; Podkolzin, A.T.; Hewiit, J.; Bucardo, F.; Templeton, K.; Mans, Janet; Nordgren, J.; Reuter, Gunter; Lynch, M.; Rasmussen, L.D.; Iritani, N.; Chan, M.C.; Martella, V.; Ambert-Balay, K.; Vinje, J.; White, P.A.; Koopmans, M.P. (European Centre for Disease Prevention and Control, 2015-07-02)
    In the winter of 2014/15 a novel GII.P17-GII.17 norovirus strain (GII.17 Kawasaki 2014) emerged, as a major cause of gastroenteritis outbreaks in China and Japan. Since their emergence these novel GII.P17-GII.17 viruses ...
  • Emergence of SARS-CoV-2 Omicron lineages BA.4 and BA.5 in South Africa 
    Tegally, Houriiyah; Moir, Monika; Everatt, Josie; Giovanetti, Marta; Scheepers, Cathrine; Wilkinson, Eduan; Subramoney, Kathleen; Makatini, Zinhle; Moyo, Sikhulile; Amoako, Daniel G.; Baxter, Cheryl; Althaus, Christian L.; Anyaneji, Ugochukwu J.; Kekana, Dikeledi; Viana, Raquel; Giandhari, Jennifer; Lessells, Richard; Maponga, Tongai; Maruapula, Dorcas; Choga, Wonderful; Matshaba, Mogomotsi; Mbulawa, Mpaphi B.; Msomi, Nokukhanya; NGS-SA consortium; Naidoo, Yeshnee; Pillay, Sureshnee; Sanko, Tomasz Janusz; San, James E.; Scott, Lesley; Singh, Lavanya; Magini, Nonkululeko A.; Smith-Lawrence, Pamela; Stevens, Wendy; Dor, Graeme; Tshiabuila, Derek; Wolter, Nicole; Preiser, Wolfgang; Treurnicht, Florette K.; Venter, Marietjie; Chiloane, Georginah; McIntyre, Caitlyn; O’Toole, Aine; Ruis, Christopher; Peacock, Thomas P.; Roemer, Cornelius; Pond, Sergei L. Kosakovsky; Williamson, Carolyn; Pybus, Oliver G.; Bhiman, Jinal N.; Glass, Allison; Martin, Darren P.; Jackson, Ben; Rambaut, Andrew; Laguda-Akingba, Oluwakemi; Gaseitsiwe, Simani; Von Gottberg, Anne; De Oliveira, Tulio; Bester, Armand Phillip; Claassen, Mathilda; Doolabh, Deelan; Mudau, Innocent; Mbhele, Nokuzola; Engelbrecht, Susan; Goedhals, Dominique; Hardie, Diana; Hsiao, Nei-Yuan; Iranzadeh, Arash; Ismail, Arshad; Joseph, Rageema; Maharaj, Arisha; Mahlangu, Boitshoko; Mahlakwane, Kamela; Davis, Ashlyn; Marais, Gert; Mlisana, Koleka; Mnguni, Anele; Mohale, Thabo; Motsatsi, Gerald; Mwangi, Peter; Ntuli, Noxolo; Nyaga, Martin; Olubayo, Luicer; Radibe, Botshelo; Ramphal, Yajna; Ramphal, Upasana; Strasheim, Wilhelmina; Tebeila, Naume; Van Wyk, Stephanie; Wilson, Shannon; Lucaci, Alexander G.; Weaver, Steven; Maharaj, Akhil; Pillay, Yusasha; Davids, Michaela; Mendes, Adriano; Mayaphi, Simnikiwe (Nature Research, 2022-09)
    Three lineages (BA.1, BA.2 and BA.3) of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant of concern predominantly drove South Africa’s fourth Coronavirus Disease 2019 (COVID-19) wave. We ...
  • Emergence of vaccine-derived polioviruses, Democratic Republic of Congo, 2004-2011 
    Gumede, Nicksy; Lentsoane, Olivia; Burns, Cara C.; Pallansch, Mark; de Gourville, Esther; Yogolelo, Riziki; Muyembe-Tamfum, Jean Jacques; Puren, Adrian; Schoub, Barry D.; Venter, Marietjie (Coordinating Center for Infectious Diseases, Centers for Disease Control and Prevention, 2013-10)
    Polioviruses isolated from 70 acute flaccid paralysis patients from the Democratic Republic of Congo (DRC) during 2004–2011 were characterized and found to be vaccine- derived type 2 polioviruses (VDPV2s). Partial ...
  • Emergence of vibrio cholerae o1 sequence type 75, South Africa, 2018-2020 
    Smith, Anthony M.; Weill, Francois-Xavier; Njamkepo, Elisabeth; Ngomane, Hlengiwe M.; Ramalwa, Ntsieni; Sekwadi, Phuti; Thomas, Juno (Coordinating Center for Infectious Diseases, Centers for Disease Control and Prevention, 2021-11)
    We describe the molecular epidemiology of cholera in South Africa during 2018-2020. Vibrio cholerae O1 sequence type (ST) 75 recently emerged and became more prevalent than the V. cholerae O1 biotype El Tor pandemic clone. ...
  • Emerging norovirus GII.4 2008 variant detected in hospitalised paediatric patients in South Africa 
    Mans, Janet; De Villiers, J.C. (Johanna Corrie); Du Plessis, Nicolette Marie; Avenant, Theunis Johannes; Taylor, Maureen B. (Elsevier, 2010-08)
    BACKGROUND: Noroviruses (NoVs)are important enteric pathogens that cause gastroenteritis worldwide. The first documented NoV outbreaks in South Africa(SA)were described in 1993. The current NoV prevalence and circulating ...
  • Enhancing cervical cancer prevention in South African women : primary HPV mRNA screening with different genotype combinations 
    Sorbye, Sveinung Wergeland; Falang, Bente Marie; Botha, Matthys H.; Snyman, Leon Cornelius; Van der Merwe, Haynes; Visser, Cathy; Richter, Karin Louise; Dreyer, Greta (MDPI, 2023-11-17)
    BACKGROUND : Cervical cancer prevention in regions with limited access to screening and HPV vaccination necessitates innovative approaches. This study explored the potential of a test-and-treat strategy using mRNA HPV tests ...
  • Enterovirus D68 and other enterovirus serotypes identified in South African patients with severe acute respiratory illness, 2009-2011 
    Hellferscee, Orienka; Treurnicht, Florette K.; Tempia, Stefano; Variava, Ebrahim; Dawood, Halima; Kahn, Kathleen; Cohen, Adam L.; Pretorius, Marthi Andréa; Cohen, Cheryl; Madhi, Shabir A.; Venter, Marietjie (Wiley Open Access, 2017-04)
    BACKGROUND : Human enteroviruses (EV) have been associated with severe acute respiratory illness (SARI) in South Africa. OBJECTIVES : We aimed to describe the molecular epidemiology of EV serotypes among patients ...
  • Epidemiological and genomic characterisation of Middelburg and Sindbis alphaviruses identified in horses with febrile and neurological infections, South Africa (2014–2018) 
    Fourie, Isabel; Snyman, Jumari; Williams, J.H. (June Heather); Ismail, Arshad; Jansen van Vuren, Petrus; Venter, Marietjie (MDPI, 2022-09-11)
    Although OldWorld alphaviruses, Middelburg- (MIDV) and Sindbis virus (SINV), have previously been detected in horses and wildlife with neurologic disease in South Africa, the pathogenesis and clinical presentation of ...
  • Epidemiological and virological characteristics of influenza B : results of the Global Influenza B Study 
    Caini, Saverio; Huang, Q. Sue; Ciblak, Meral A.; Kusznierz, Gabriela; Owen, Rhonda; Wangchuk, Sonam; Henriques, Claudio Maierovitch Pessanha; Njouom, Richard; Fasce, Rodrigo A.; Yu, Hongjie; Feng, Luzhao; Zambon, Maria; Clara, Alexey W.; Kosasih, Herman; Puzelli, Simona; Kadjo, Herve; Emukule, Gideon; Heraud, Jean-Michel; Wei Ang, Li; Venter, Marietjie; Mironenko, Alla; Brammer, Lynnette; Mai, Le Thi Quynh; Schellevis, François; Plotkin, Stanley; Paget, John (Wiley, 2015)
    INTRODUCTION Literature on influenza focuses on influenza A, despite influenza B having a large public health impact. The Global Influenza B Study aims to collect information on global epidemiology and burden of disease ...
  • Epidemiological aspects of the persistent transmission of rabies during an outbreak (2010 – 2017) in Harare, Zimbabwe 
    Coetzer, Andre; Gwenhure, Lambert; Makaya, Pious; Markotter, Wanda; Nel, Louis Hendrik (Public Library of Science, 2019-01-10)
    Canine-mediated human rabies is endemic to the entire African continent, where the disease burden is often highest in rural communities of resource-limited countries. In this study, we analysed an animal rabies outbreak, ...
  • Epidemiology and clinical presentation of West Nile virus infection in horses in South Arica, 2016–2017 
    Bertram, Freude-Marie; Thompson, P.N. (Peter N.); Venter, Marietjie (MDPI, 2021-12-30)
    Although West Nile virus (WNV) is endemic to South Africa (RSA), it has only become recognized as a significant cause of neurological disease in humans and horses locally in the past 2 decades, as it emerged globally. ...
  • Epidemiology and ecology of West Nile virus in sub-Saharan Africa 
    Sule, Waidi F.; Oluwayelu, Daniel O.; Hernandez-Triana, Luis M.; Fooks, Anthony R.; Venter, Marietjie; Johnson, Nicholas (BioMed Central, 2018-07-13)
    West Nile virus (WNV) is the aetiological agent of the mosquito-borne zoonotic disease West Nile fever. The virus, first isolated in Uganda in 1937, evolved into two distinct lineages in sub-Saharan Africa (SSA) ...
  • Epidemiology and genomic analysis of equine encephalosis virus detected in horses with clinical signs in South Africa, 2010-2017 
    Snyman, Jumari; Koekemoer, Otto; Van Schalkwyk, Antoinette; Van Vuren, Petrus Jansen; Snyman, Louwtjie P.; Williams, June Heather; Venter, Marietjie (MDPI, 2021-03)
    Equine encephalosis virus (EEV) is a neglected virus endemic to South Africa and is considered to generally result in mild disease in equines. Specimens were analyzed from live horses that presented with undefined ...
  • Epidemiology of acute lower respiratory tract infection in HIV exposed uninfected infants 
    Cohen, Cheryl; Moyes, Jocelyn; Tempia, Stefano; Groome, Michelle; Walaza, Sibongile; Pretorius, Marthi Andréa; Naby, Fathima; Mekgoe, Omphile; Kahn, Kathleen; Von Gottberg, Anne; Wolter, Nicole; Cohen, Adam L.; Von Mollendorf, Claire; Venter, Marietjie; Madhi, Shabir A. (American Academy of Pediatrics, 2016-04)
    BACKGROUND : Increased morbidity and mortality from lower respiratory tract infection (LRTI) abstract has been suggested in HIV-exposed uninfected (HEU) children; however, the contribution of respiratory viruses is ...
  • Epidemiology of human astroviruses among children younger than 5 years : prospective hospital‐based sentinel surveillance in South Africa, 2009‐2014 
    Nadan, Sandrama; Taylor, Maureen B.; Groome, Michelle J.; Cohen, Cheryl; Madhi, Shabir A.; Page, Nicola Anne (Wiley, 2019-02)
    BACKGROUND : The epidemiology of human astroviruses (HAstVs) in hospitalised patients less than 5 years of age from selected sites in South Africa was investigated. Diarrheagenic stool specimens collected from April 2009 ...
  • Epidemiology of human rabies in South Africa, 2008-2018 
    Weyer, Jacqueline; Dermaux-Msimang, V.; Grobbelaar, A.; Le Roux, C.; Moolla, Naazneen; Paweska, Janusz Tadeusz; Blumberg, Lucille Hellen (Health and Medical Publishing Group, 2020-09)
    BACKGROUND. Human rabies cases continue to be reported annually in South Africa (SA). Previous investigations have shown the association between the occurrence of human rabies cases and dog rabies cases in the ...