🏆 Finalist — NIH Data Sharing Index (“S-Index”) Challenge

Orienka Hellferscee

National Health Laboratory Service

ORCID: 0000-0001-9246-8927

Also affiliated with University of the Witwatersrand

MedicineMathematics

Pilot corpus only

This score is computed over theSindex pilot corpus and does not cover the full scientific literature. Scores are relative to papers we have ingested — papers, authors, and institutions outside the pilot are not represented. Methodology.

Top 5%percentile
0.440Author DataRank

Indexed papers

1in pilot corpus
datarank_citation_only_1hop_v6· scope data_onlyMethodology
Why this DataRank?

An author's DataRank is the sum of the DataRanks of all 1 indexed paper attributed to them. A prolific author with many moderate-impact papers can outrank one with a single high-impact paper.

Author scores recompute whenever paper DataRanks are refreshed, so this number lags the underlying paper scores by at most one batch run.

Read the full methodology →

Top data-sharing exemplar

The highest-impact dataset this researcher has shared, ranked by DataRank — the single contribution doing the most to lift their data-sharing standing.

Unmasking Pneumococcal Carriage in a High Human Immunodeficiency Virus (HIV) Prevalence Population in two Community Cohorts in South Africa, 2016–2018: The PHIRST Study

Clinical Infectious Diseases(2022)10.1093/cid/ciac499
Top 43%
0.440DataRank
Top 43%7 citations

Stefano Tempia, Deus Thindwa, Neil Martinson, Kathleen Kahn, Stefan Flasche +16 more

Papers

Driven by 8 papers — median percentile 57. Top paper: “Global burden of acute lower respiratory infection associated with human metapneumovirus in children under 5 years in 2018: a systematic review and modelling study”.

Global burden of acute lower respiratory infection associated with human metapneumovirus in children under 5 years in 2018: a systematic review and modelling study

The Lancet Global Health(2020)10.1016/s2214-109x(20)30393-4
N/A
7.9DataRank · unranked
228 citations

You Li, Maria Deloria Knoll, Shabir A. Madhi, Cheryl Cohen, Asad Ali +83 more

Global burden of respiratory infections associated with seasonal influenza in children under 5 years in 2018: a systematic review and modelling study

The Lancet Global Health(2020)10.1016/s2214-109x(19)30545-5
N/A
0.931DataRank · unranked
496 citations

You Li, Katherine L. O’Brien, Shabir A. Madhi, Marc‐Alain Widdowson, Peter Byass +75 more

Unmasking Pneumococcal Carriage in a High Human Immunodeficiency Virus (HIV) Prevalence Population in two Community Cohorts in South Africa, 2016–2018: The PHIRST Study

Clinical Infectious Diseases(2022)10.1093/cid/ciac499
Top 43%
0.440DataRank
Top 43%7 citations

Stefano Tempia, Deus Thindwa, Neil Martinson, Kathleen Kahn, Stefan Flasche +16 more

Association of HIV Exposure and HIV Infection With In-hospital Mortality Among Hospitalized Infants <1 Year of Age, South Africa, 2016–2018

Journal of the Pediatric Infectious Diseases Society(2023)10.1093/jpids/piad100
N/A
0DataRank · unranked
3 citations

Sibongile Walaza, Claire von Mollendorf, Anne von Gottberg, Stefano Tempia, Meredith McMorrow +8 more

The roles of pre-season immunity, age, viral shedding, and community exposures in shaping influenza household transmission dynamics

medRxiv(2025)10.1101/2025.03.25.25324622
N/A
0DataRank · unranked
1 citations

Jackie Kleynhans, Jocelyn Moyes, Meredith McMorrow, Florette K. Treurnicht, Orienka Hellferscee +16 more

Temporal Changes in Nasopharyngeal Pneumococcal Colonization Density Associated With Respiratory Syncytial Virus and Influenza in a South African Household Cohort Study, 2016–2018

Open Forum Infectious Diseases(2025)10.1093/ofid/ofaf267
N/A
0DataRank · unranked
0 citations

Jackie Kleynhans, Stefano Tempia, Orienka Hellferscee, Florette K. Treurnicht, Meredith McMorrow +6 more

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

The Lancet Global Health(2021)10.1016/s2214-109x(21)00141-8
N/A
0DataRank · unranked
140 citations

Jackie Kleynhans, Jocelyn Moyes, Meredith McMorrow, Florette K. Treurnicht, Orienka Hellferscee +21 more

The attributable fraction of respiratory syncytial virus among patients of different ages with influenza-like illness and severe acute respiratory illness in a high HIV prevalence setting, South Africa, 2012-2016

International Journal of Infectious Diseases(2023)10.1016/j.ijid.2023.05.009
N/A
0DataRank · unranked
4 citations

Stefano Tempia, Sibongile Walaza, Meredith McMorrow, Adam L. Cohen, Florette K. Treurnicht +9 more