Browsing Research Articles (Medical Virology) by Title

Browsing Research Articles (Medical Virology) by Title

Sort by: Order: Results:

  • 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 Marius; 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 aetiology of moderate to severe diarrhoea in hospitalised patients ≥5 years old living with HIV in South Africa, 2018- 2021 : a case-control analysis 
    Johnstone, Siobhan; Erasmus, Linda; Thomas, Juno; Groome, Michelle J.; Du Plessis, Nicolette Marie; Avenant, Theunis Johannes; De Villiers, Maryke; Page, N.A. (Nicola) (Public Library of Science, 2023-09-08)
    Diarrhoea is a recognised complication of HIV-infection, yet there are limited local aetiological data in this high-risk group. These data are important for informing public health interventions and updating diagnostic ...
  • 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 ...