Orienka Hellferscee
National Health Laboratory Service(ZA)University of the Witwatersrand(ZA)
Publications by Year
Research Areas
Respiratory viral infections research, Influenza Virus Research Studies, Pneumonia and Respiratory Infections, COVID-19 epidemiological studies, Tracheal and airway disorders
Most-Cited Works
- → Global patterns in monthly activity of influenza virus, respiratory syncytial virus, parainfluenza virus, and metapneumovirus: a systematic analysis(2019)535 cited
- → Global burden of respiratory infections associated with seasonal influenza in children under 5 years in 2018: a systematic review and modelling study(2020)474 cited
- → Global burden of acute lower respiratory infection associated with human metapneumovirus in children under 5 years in 2018: a systematic review and modelling study(2020)209 cited
- → High Nasopharyngeal Pneumococcal Density, Increased by Viral Coinfection, Is Associated With Invasive Pneumococcal Pneumonia(2014)194 cited
- → Decline of influenza and respiratory syncytial virus detection in facility-based surveillance during the COVID-19 pandemic, South Africa, January to October 2020(2021)153 cited
- → Asymptomatic transmission and high community burden of seasonal influenza in an urban and a rural community in South Africa, 2017–18 (PHIRST): a population cohort study(2021)135 cited
- → 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(2014)81 cited
- → Risk Factors for Influenza-Associated Severe Acute Respiratory Illness Hospitalization in South Africa, 2012–2015(2017)78 cited
- → The role of influenza, RSV and other common respiratory viruses in severe acute respiratory infections and influenza-like illness in a population with a high HIV sero-prevalence, South Africa 2012–2015(2015)64 cited
- → Severity of Respiratory Syncytial Virus Lower Respiratory Tract Infection With Viral Coinfection in HIV-Uninfected Children(2016)63 cited