Search Results - "Zar, Heather J."

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    Towards a population-based threshold of protection for COVID-19 vaccines by Goldblatt, David, Fiore-Gartland, Andrew, Johnson, Marina, Hunt, Adam, Bengt, Christopher, Zavadska, Dace, Snipe, Hilda Darta, Brown, Jeremy S., Workman, Lesley, Zar, Heather J., Montefiori, David, Shen, Xiaoying, Dull, Peter, Plotkin, Stanley, Siber, George, Ambrosino, Donna

    Published in Vaccine (21-01-2022)
    “…Correlates of protection for COVID-19 vaccines are urgently needed to license additional vaccines. We measured immune responses to four COVID-19 vaccines of…”
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    Risk and protective factors for child development: An observational South African birth cohort by Donald, Kirsten Ann, Wedderburn, Catherine J, Barnett, Whitney, Nhapi, Raymond T, Rehman, Andrea M, Stadler, Jacob A M, Hoffman, Nadia, Koen, Nastassja, Zar, Heather J, Stein, Dan J

    Published in PLoS medicine (27-09-2019)
    “…Approximately 250 million (43%) children under the age of 5 years in low- and middle-income countries (LMICs) are failing to meet their developmental…”
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    Maternal health and birth outcomes in a South African birth cohort study by Zar, Heather J, Pellowski, Jennifer A, Cohen, Sophie, Barnett, Whitney, Vanker, Aneesa, Koen, Nastassja, Stein, Dan J

    Published in PloS one (21-11-2019)
    “…Maternal physical and mental health during pregnancy are key determinants of birth outcomes. There are relatively few prospective data that integrate physical…”
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    Aetiology of childhood pneumonia in a well vaccinated South African birth cohort: a nested case-control study of the Drakenstein Child Health Study by Zar, Heather J, Prof, Barnett, Whitney, MPH, Stadler, Attie, MBChB, Gardner-Lubbe, Sugnet, PhD, Myer, Landon, Prof, Nicol, Mark P, Prof

    Published in The lancet respiratory medicine (01-06-2016)
    “…Summary Background Pneumonia is a leading cause of mortality and morbidity in children globally. The cause of pneumonia after introduction of the 13-valent…”
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    Burden of asthma and chronic obstructive pulmonary disease and access to essential medicines in low-income and middle-income countries by Beran, David, PhD, Zar, Heather J, Prof, Perrin, Christophe, MSc, Menezes, Ana M, PhD, Burney, Peter, Prof

    Published in The lancet respiratory medicine (01-02-2015)
    “…Summary Demographic and epidemiological transitions are changing the age structure of the population and the most common diseases. Non-communicable respiratory…”
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    The association between bacteria colonizing the upper respiratory tract and lower respiratory tract infection in young children: a systematic review and meta-analysis by Claassen-Weitz, Shantelle, Lim, Katherine Y.L., Mullally, Christopher, Zar, Heather J., Nicol, Mark P.

    Published in Clinical microbiology and infection (01-09-2021)
    “…Bacteria colonizing the upper respiratory tract (URT) of young children play a key role in the pathogenesis of lower respiratory tract infection (LRTI). To…”
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    Age-related waning of immune responses to BCG in healthy children supports the need for a booster dose of BCG in TB endemic countries by Whittaker, Elizabeth, Nicol, Mark P., Zar, Heather J., Tena-Coki, Nontobeko G., Kampmann, Beate

    Published in Scientific reports (17-10-2018)
    “…In the absence of a more effective vaccine against TB and in the interest of developing one, it is essential to understand immune responses associated with BCG…”
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    Lower Respiratory Tract Infections in Children in a Well-vaccinated South African Birth Cohort: Spectrum of Disease and Risk Factors by le Roux, David M, Nicol, Mark P, Myer, Landon, Vanker, Aneesa, Stadler, Jacob A M, von Delft, Eckart, Zar, Heather J

    Published in Clinical infectious diseases (15-10-2019)
    “…Abstract Background Childhood lower respiratory tract infections (LRTIs) cause substantial morbidity and under-5 child mortality. The epidemiology of LRTI is…”
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    Determinants of early-life lung function in African infants by Gray, Diane, Willemse, Lauren, Visagie, Ane, Czövek, Dorottya, Nduru, Polite, Vanker, Aneesa, Stein, Dan J, Koen, Nastassja, Sly, Peter D, Hantos, Zoltán, Hall, Graham L, Zar, Heather J

    Published in Thorax (01-05-2017)
    “…Low lung function in early life is associated with later respiratory illness. There is limited data on lung function in African infants despite a high…”
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    Incidence and severity of childhood pneumonia in the first year of life in a South African birth cohort: the Drakenstein Child Health Study by le Roux, David M, Dr, Myer, Landon, PhD, Nicol, Mark P, PhD, Zar, Heather J, PhD

    Published in The Lancet global health (01-02-2015)
    “…Summary Background Childhood pneumonia causes substantial mortality and morbidity. Accurate measurements of pneumonia incidence are scarce in low-income and…”
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    Language outcomes of preschool children who are HIV-exposed uninfected: An analysis of a South African cohort by Green, Freddy, du Plooy, Christopher, Rehman, Andrea M, Nhapi, Raymond T, Lake, Marilyn T, Barnett, Whitney, Hoffman, Nadia, Zar, Heather J, Donald, Kirsten A, Stein, Dan J, Wedderburn, Catherine J

    Published in PloS one (10-04-2024)
    “…There are approximately 16 million children who are HIV-exposed and uninfected (CHEU) worldwide. Studies suggest that CHEU are at risk for developmental…”
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    Genetic susceptibility to asthma increases the vulnerability to indoor air pollution by Hüls, Anke, Vanker, Aneesa, Gray, Diane, Koen, Nastassja, MacIsaac, Julia L, Lin, David T S, Ramadori, Katia E, Sly, Peter D, Stein, Dan J, Kobor, Michael S, Zar, Heather J

    Published in The European respiratory journal (01-03-2020)
    “…Indoor air pollution and maternal smoking during pregnancy are associated with respiratory symptoms in infants, but little is known about the direct…”
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    Cardioprotective effects of early versus late initiated antiretroviral treatment in adolescents with perinatal HIV-1 infection by Magodoro, Itai M., Guerrero-Chalela, Carlos E., Claggett, Brian, Jermy, Stephen, Samuels, Petronella, Myer, Landon, Zar, Heather J, Jao, Jennifer, Ntsekhe, Mpiko, Siedner, Mark J., Ntusi, Ntobeko A. B.

    Published in Scientific reports (20-06-2024)
    “…Whether, and how, cardioprotective effects of antiretroviral treatment (ART) in adolescents with perinatal HIV infection (APHIV) vary with age at treatment…”
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    Diagnostic limitations of clinical case definitions of pertussis in infants and children with severe lower respiratory tract infection by Muloiwa, Rudzani, Nicol, Mark P, Hussey, Gregory D, Zar, Heather J

    Published in PloS one (17-07-2020)
    “…Diagnosis of pertussis is challenging especially in infants. Most low and middle-income countries (LMIC) lack resources for laboratory confirmation, relying…”
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    Cognition, Structural Brain Changes, and Systemic Inflammation in Adolescents Living With HIV on Antiretroviral Therapy by Hoare, Jacqueline, Myer, Landon, Heany, Sarah, Fouche, Jean-Paul, Phillips, Nicole, Zar, Heather J., Stein, Dan J.

    “…OBJECTIVE:To investigate the association between neurocognitive impairment, neuroimaging, and systemic inflammation in perinatally infected adolescents living…”
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