Browsing Research Articles (Medical Virology) by Author "Kahn, Kathleen"

Browsing Research Articles (Medical Virology) by Author "Kahn, Kathleen"

Sort by: Order: Results:

  • Determining the provincial and national burden of influenza-associated severe acute respiratory illness in South Africa using a rapid assessment methodology 
    Murray, Jillian; Cohen, Adam L.; Walaza, Sibongile; Groome, Michelle; Madho, Shabir A.; Variava, Ebrahim; Kahn, Kathleen; Dawood, Halima; Tempia, Stefano; Tshangela, Akhona; Venter, Marietjie; Feikin, Daniel R.; Cohen, Cheryl; Chowell, Gerardo (Public Library of Science, 2015-07-08)
    Local disease burden data are necessary to set national influenza vaccination policy. In 2010 the population of South Africa was 50 million and the HIV prevalence was 11%. We used a previously developed methodology to ...
  • 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 ...
  • 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 influenza virus types and subtypes in South Africa, 2009-2012 
    Cohen, Adam L.; Hellferscee, Orienka; Pretorius, Marthi Andréa; Treurnicht, Florette K.; Walaza, Sibongile; Madhi, Shabir A.; Groome, Michelle; Dawood, Halima; Variava, Ebrahim; Kahn, Kathleen; Wolter, Nicole; Von Gottberg, Anne; Tempia, Stefano; Venter, Marietjie; Cohen, Cheryl (Coordinating Center for Infectious Diseases, Centers for Disease Control and Prevention, 2014-07)
    To determine clinical and epidemiologic differences between influenza caused by different virus types and subtypes, we identified patients and tested specimens. Patients were children and adults hospitalized with confirmed ...
  • Epidemiology of severe acute respiratory illness (SARI) among adults and children aged 5 years in a high HIV-prevalence Setting, 2009–2012 
    Cohen, Cheryl; Walaza, Sibongile; Moyes, Jocelyn; Groome, Michelle; Tempia, Stefano; Pretorius, Marthi Andréa; Hellferscee, Orienka; Dawood, Halima; Haffejee, Summaya; Variava, Ebrahim; Kahn, Kathleen; Tshangela, Akhona; Von Gottberg, Anne; Wolter, Nicole; Cohen, Adam L.; Kgokong, Babatyi; Venter, Marietjie; Madhi, Shabir A. (Public Library of Science, 2015-02-23)
    OBJECTIVE There are few published studies describing severe acute respiratory illness (SARI) epidemiology amongst older children and adults from high HIV-prevalence settings. We aimed to describe SARI epidemiology amongst ...
  • Epidemiology of viral-associated acute lower respiratory tract infection among children < 5 years of age in a high HIV prevalence setting, South Africa, 2009-2012 
    Cohen, Cheryl; Walaza, Sibongile; Moyes, Jocelyn; Groome, Michelle; Tempia, Stefano; Pretorius, Marthi Andréa; Hellferscee, Orienka; Dawood, Halima; Chhagan, Meera; Naby, Fathima; Haffejee, Summaya; Variava, Ebrahim; Kahn, Kathleen; Nzenze, Susan; Tshangela, Akhona; Von Gottberg, Anne; Wolter, Nicole; Cohen, Adam L.; Kgokong, Babatyi; Venter, Marietjie; Madhi, Shabir A. (Lippincott Williams and Wilkins, 2015-01)
    BACKGROUND : Data on the epidemiology of viral-associated acute lower respiratory tract infection (LRTI) from high HIV prevalence settings are limited. We aimed to describe LRTI hospitalizations among South African children ...
  • Evaluation of two influenza surveillance systems in South Africa 
    Budgell, Eric; Cohen, Adam L.; McAnerney, Johanna M.; Walaza, Sibongile; Madhi, Shabir A.; Blumberg, Lucille Hellen; Dawood, Halima; Kahn, Kathleen; Tempia, Stefano; Venter, Marietjie; Chohen, Cheryl (Public Library of Science, 2015-03-30)
    BACKGROUND The World Health Organisation recommends outpatient influenza-like illness (ILI) and inpatient severe acute respiratory illness (SARI) surveillance. We evaluated two influenza surveillance systems in South ...
  • HIV and influenza infection are associated with increased blood pneumococcal load : a prospective, hospital-based observational study in South Africa, 2009–2011 
    Wolter, Nicole; Cohen, Cheryl; Tempia, Stefano; Madhi, Shabir A.; Venter, Marietjie; Moyes, Jocelyn; Walaza, Sibongile; Kgokong, Babatyi; Groome, Michelle; Du Plessis, Mignon; Pretorius, Marthi Andréa; Dawood, Halima; Kahn, Kathleen; Variava, Ebrahim; Klugman, Keith P.; Von Gottberg, Anne (Oxford University Press, 2014-01)
    BACKGROUND : Increased pneumococcal loads are associated with severe outcomes. We determined the prevalence of pneumococcal DNA in blood specimens from patients hospitalized with acute lower respiratory tract infection and ...
  • Human respiratory syncytial virus diversity and epidemiology among patients hospitalized with severe respiratory illness in South Africa, 2012-2015 
    Valley Omar, Ziyaad; Tempia, Stefano; Hellferscee, Orienka; Walaza, sibongile; Variava, Ebrahim; Dawood, Halima; Kahn, Kathleen; Meredith, McMorrow; Pretorius, Marthi; Mtshali, Senzo; Mamorobela, Ernest; Wolter, Nicole; Venter, Marietjie; Von Gottenberg, Anne; Cohen, Cheryl; Treurnicht, Florette K. (Wiley, 2022-03)
    BACKGROUND: We aimed to describe the prevalence of human respiratory syncytial virus (HRSV) and evaluate associations between HRSV subgroups and/or genotypes and epidemiologic characteristics and clinical outcomes in ...
  • Influenza virus infection is associated with increased risk of death amongst patients hospitalized with confirmed pulmonary tuberculollsis in South Africa, 2010-2011 
    Walaza, Sibongile; Tempia, Stefano; Dawood, Halima; Variava, Ebrahim; Moyes, Jocelyn; Cohen, Adam L.; Wolter, Nicole; Groome, Michelle; Von Mollendorf, Claire; Kahn, Kathleen; Pretorius, Marthi Andréa; Venter, Marietjie; Madhi, Shabir A.; Cohen, Cheryl (BioMed Central, 2015-01)
    BACKGROUND : Data on the association between influenza and tuberculosis are limited. We describe the characteristics of patients with laboratory-confirmed tuberculosis, laboratory-confirmed influenza and tuberculosis-influenza ...
  • Mortality in children aged <5 years with severe acute respiratory illness in a high HIV-prevalence urban and rural areas of South Africa, 2009–2013 
    Ayeni, Oluwatosin A.; Walaza, Sibongile; Tempia, Stefano; Groome, Michelle; Kahn, Kathleen; Madhi, Shabir A.; Cohen, Adam L.; Moyes, Jocelyn; Venter, Marietjie; Pretorius, Marthi; Treurnicht, Florette; Hellferscee, Orienka; Von Gottberg, Anne; Wolter, Nicole; Cohen, Cheryl (Public Library of Science, 2021-08)
    BACKGROUND: Severe acute respiratory illness (SARI) is an important cause of mortality in young children, especially in children living with HIV infection. Disparities in SARI death in children aged <5 years exist in urban ...
  • 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 ...
  • Severe influenza-associated respiratory infection in high HIV prevalence setting, South Africa, 2009-2011 
    Cohen, Cheryl; Moyes, Jocelyn; Tempia, Stefano; Groome, Michelle; Walaza, Sibongile; Pretorius, Marthi Andréa; Dawood, Halima; Chhagan, Meera; Haffejee, Summaya; Variava, Ebrahim; Kahn, Kathleen; Tshangela, Akhona; Von Gottberg, Anne; Wolter, Nicole; Cohen, Adam L.; Kgokong, Babatyi; Venter, Marietjie; Madhi, Shabir A. (Coordinating Center for Infectious Diseases, Centers for Disease Control and Prevention, 2013-11)
    Data on influenza epidemiology in HIV-infected persons are limited, particularly for sub-Saharan Africa, where HIV infection is widespread. We tested respiratory and blood samples from patients with acute lower respiratory ...