van Schalkwyk C

Facility-based indicators to manage and scale up cervical cancer prevention and care services for women living with HIV in sub-Saharan Africa: a three-round online Delphi consensus method
Davidović M, Asangbeh SL, Taghavi K, Dhokotera T, Jaquet A, Musick B, van Schalkwyk C, Schwappach D, Rohner E, Murenzi G, Wools-Kaloustian K, Anastos K, Omenge OE, Boni SP, Duda SN, von Groote P, Bohlius J, International Epidemiology Databases to Evaluate AIDS

Journal of Acquired Immune Deficiency Syndromes

(2024)

https://doi.org/10.1097/QAI.0000000000003343
Updated data and methods for the 2023 UNAIDS HIV estimates
van Schalkwyk C, Mahy M, Johnson LF, Imai-Eaton JW

Journal of Acquired Immune Deficiency Syndromes

(2024)

https://doi.org/10.1097/QAI.0000000000003344
The role of wastewater-based epidemiology for SARS-CoV-2 in developing countries: cumulative evidence from South Africa supports sentinel site surveillance to guide public health decision-making
Iwu-Jaja C, Ndlovu NL, Rachida S, Yousif M, Taukobong S, Macheke M, Mhlanga L, van Schalkwyk C, Pulliam JRC, Moultrie T, le Roux W, Schaefer L, Pocock G, Coetzee LZ, Mans J, Bux F, Pillay L, de Villiers D, du Toit AP, Jambo D, Gomba A, Groeninck S, Madgewick N, van der Walt M, Mutshembele A, Berkowitz N, Suchard M, McCarthy K

Science of the Total Environment

(2023)

https://doi.org/10.1016/j.scitotenv.2023.165817
Differential in-hospital mortality and intensive care treatment over time: Informing hospital pathways for modelling COVID-19 in South Africa
Jamieson L, van Schalkwyk C, Nichols BE, Meyer-Rath G, Silal SP, Pulliam JRC, Blumberg L, Cohen C, Moultrie H, Jassat W

PLoS Global Public Health

(2023)

https://doi.org/10.1371/journal.pgph.0001073
Neonatal sepsis: Challenges in data access, harmonisation and analysis to inform empirical antibiotic recommendations in South African neonatal units
Bolton L, Bekker A, Govender N, van Schalkwyk C, Whitelaw A, Dramowski A

South African Journal of Public Health

(2023)

https://doi.org/10.7196/SHS.2023.v6.i2.175
Impact of interventions for tuberculosis prevention and care in South Africa – a systematic review of mathematical modelling studies
Brown L, van Schalkwyk C, de Villiers AK, Marx FM

South African Medical Journal

(2023)

https://doi.org/10.7196/SAMJ.2023.v113i3.16812
Neonatal sepsis: challenges in data access, harmonization and analysis to inform empiric antibiotic recommendations in South African neonatal units
Bolton L, Bekker A, Govender N, van Schalkwyk C, Whitelaw A, Dramowski A

SACEMA Preprint

(2022)

https://doi.org/10.13140/RG.2.2.34471.42407
Increased risk of SARS-CoV-2 reinfection associated with emergence of Omicron in South Africa
Pulliam JRC, van Schalkwyk C, Govender N, von Gottberg A, Cohen C, Groome MJ, Dushoff J, Mlisana K, Moultrie H

Science

(2022)

https://doi.org/10.1126/science.abn4947
Bounding the levels of transmissibility & immune evasion of the Omicron variant in South Africa
Pearson CAB, Silal SP, Li MWZ, Dushoff J, Bolker BM, Abbott S, van Schalkwyk C, Davies NG, Barnard RC, Edmunds WJ, Bingham JL, Meyer-Rath G, Glass A, Wolter N, Govender N, Stevens W, Scott L, Mlisana K, Moultrie H, Pulliam JRC

medRxiv

(2021)

https://doi.org/10.1101/2021.12.19.21268038
SARS CoV-2 reinfection trends in South Africa: analysis of routine surveillance data
Pulliam JRC, van Schalkwyk C, Govender N, von Gottberg A, Cohen C, Groom M, Dushoff J, Mlisana K, Moultrie H

medRxiv

(2021)

https://doi.org/10.1101/2021.11.11.21266068
Mortality during tuberculosis treatment in South Africa using an 8-year analysis of the national tuberculosis treatment register
Osman M, van Schalkwyk C, Naidoo P, et al

Scientific Reports

(2021)

https://doi.org/10.1038/s41598-021-95331-w
Modelling the impact of prevention strategies on cervical cancer incidence in South Africa
van Schalkwyk C, Moodley J, Welte A, Johnson LF

International Journal of Cancer

(2021)

https://doi.org/10.1002/ijc.33716
Modelling of HIV prevention and treatment progress in five South African metropolitan districts
van Schalkwyk C, Dorrington R, Seatlhodi T, Velasquez C, Feizzadeh A, Johnson LF

Scientific Reports

(2021)

https://doi.org/10.1038/s41598-021-85154-0
Projected early spread of COVID-19 in Africa through 1 June 2020
Pearson CAB, van Schalkwyk C, Foss AM, O'Reilly KM, SACEMA's Modelling Analysis Response Team, CMMID COVID-19 Working Group, Pulliam JRC

Eurosurveillance

(2020)

https://doi.org/10.2807/1560-7917.ES.2020.25.18.2000543
Birth outcomes following antiretroviral exposure during pregnancy: Initial results from a pregnancy exposure registry in South Africa
Mehta UC, van Schalkwyk C, Naidoo P, Ramkissoon A, Mhlongo O, Maharaj NR, Naidoo N, Fieggen K, Urban MF, Krog S, Welte A, Dheda M, Pillay Y, Moran NF

Southern African Journal of HIV Medicine

(2019)

https://doi.org/10.4102/sajhivmed.v20i1.971
Evaluation of the performance of three biomarker assays for recent HIV infection using a well-characterized HIV-1 subtype C incidence cohort
Gonese E, Kilmarx PH, van Schalkwyk C, Grebe PE, Mutasa K, Ntozini R, Parekh BS, Dobbs T, Pottinger YD, Masciotra S, Owen M, Nachega JB, van Zyl G, Hargrove JW

AIDS Research And Human Retroviruses

(2019)

https://doi.org/10.1089/aid.2019.0033
Estimated impact of human papillomavirus vaccines on infection burden: the effect of structural assumptions
van Schalkwyk C, Moodley J, Welte A, Johnson LF

Vaccine

(2019)

https://doi.org/10.1016/j.vaccine.2019.06.013
Pooled PCR testing of dried blood spots for infant HIV diagnosis is cost efficient and accurate
van Schalkwyk C, Maritz J, van Zyl GU, Preiser W, Welte A

BMC Infectious Diseases

(2019)

https://doi.org/10.1186/s12879-019-3767-z
Wing length and host location in tsetse (Glossina spp.): implications for control using stationary baits
Hargrove JW, English S, Torr SJ, Lord JL, Haines RL, van Schalkwyk C, Patterson J, Vale GA

Parasites & Vectors

(2019)

https://doi.org/10.1186/s13071-018-3274-x
Are associations between HIV and human papillomavirus transmission due to behavioural confounding or biological effects?
van Schalkwyk C, Moodley J, Welte A, Johnson LF

Sexually Transmitted Infections

(2018)

https://doi.org/10.1136/sextrans-2018-053558
Estimating the magnitude of pulmonary tuberculosis patients missed by primary health care clinics in South Africa
Kweza PF, van Schalkwyk C, Abraham N, Uys M, Claassens MM, Medino-Merino A

International Journal of Tuberculosis and Lung Disease

(2018)

https://doi.org/10.5588/ijtld.17.0491
High human papillomavirus (HPV) prevalence in South African adolescents and young women encourages expanded HPV vaccination campaigns
Mbulawa ZZA, van Schalkwyk C, Hu N, Meiring TL, Barnabas S, Dabee S, Jaspan HB, Kriek J, Jaumdally SZ, Muller E, Bekker LG, Lewis DA, Dietrich J, Gray G, Passmore JS, Williamson A

PLoS One

(2018)

https://doi.org/10.1371/journal.pone.0190166
Understanding and acting on the developmental origins of health and disease in Africa would improve health across generations
Norris SA, Daar A, Balasubramanian D, Byass P, Kimani-Murage E, Macnab A, Pauw C, Singhal A, Yajnik C, Akazili J, Levitt N, Maatoug J, Mkhwanazi N, Moore SE, Nyirenda M, Pulliam JRC, Rochat T, Said-Mohamed R, Seedat S, Sobngwi E, Tomlinson M, Toska E, van Schalkwyk C

Global Health Action

(2017)

https://doi.org/10.1080/16549716.2017.1334985
Heightened HIV antibody responses in postpartum women as exemplified by recent infection assays: implications for incidence estimates
Hargrove JW, van Schalkwyk C, Humphrey JH, Mutasa K, Ntozini R, Owen SM, Masciotra S, Parekh BS, Duong YT, Dobbs T, Kilmarx PH, Gonese E

AIDS Research And Human Retroviruses

(2017)

https://doi.org/10.1089/aid.2016.0319
Symptom screening rules to identify active pulmonary tuberculosis: findings from the Zambian South African Tuberculosis and HIV/AIDS Reduction (ZAMSTAR) trial prevalence surveys
Claassens MM, van Schalkwyk C, Floyd S, Ayles H, Beyers N

PLoS One

(2017)

https://doi.org/10.1371/journal.pone.0172881

12 Next

van Schalkwyk C

Facility-based indicators to manage and scale up cervical cancer prevention and care services for women living with HIV in sub-Saharan Africa: a three-round online Delphi consensus method

Updated data and methods for the 2023 UNAIDS HIV estimates

The role of wastewater-based epidemiology for SARS-CoV-2 in developing countries: cumulative evidence from South Africa supports sentinel site surveillance to guide public health decision-making

Differential in-hospital mortality and intensive care treatment over time: Informing hospital pathways for modelling COVID-19 in South Africa

Neonatal sepsis: Challenges in data access, harmonisation and analysis to inform empirical antibiotic recommendations in South African neonatal units

Impact of interventions for tuberculosis prevention and care in South Africa – a systematic review of mathematical modelling studies

Neonatal sepsis: challenges in data access, harmonization and analysis to inform empiric antibiotic recommendations in South African neonatal units

Increased risk of SARS-CoV-2 reinfection associated with emergence of Omicron in South Africa

Bounding the levels of transmissibility & immune evasion of the Omicron variant in South Africa

SARS CoV-2 reinfection trends in South Africa: analysis of routine surveillance data

Mortality during tuberculosis treatment in South Africa using an 8-year analysis of the national tuberculosis treatment register

Modelling the impact of prevention strategies on cervical cancer incidence in South Africa

Modelling of HIV prevention and treatment progress in five South African metropolitan districts

Projected early spread of COVID-19 in Africa through 1 June 2020

Birth outcomes following antiretroviral exposure during pregnancy: Initial results from a pregnancy exposure registry in South Africa

Evaluation of the performance of three biomarker assays for recent HIV infection using a well-characterized HIV-1 subtype C incidence cohort

Estimated impact of human papillomavirus vaccines on infection burden: the effect of structural assumptions

Pooled PCR testing of dried blood spots for infant HIV diagnosis is cost efficient and accurate

Wing length and host location in tsetse (Glossina spp.): implications for control using stationary baits

Are associations between HIV and human papillomavirus transmission due to behavioural confounding or biological effects?

Estimating the magnitude of pulmonary tuberculosis patients missed by primary health care clinics in South Africa

High human papillomavirus (HPV) prevalence in South African adolescents and young women encourages expanded HPV vaccination campaigns

Understanding and acting on the developmental origins of health and disease in Africa would improve health across generations

Heightened HIV antibody responses in postpartum women as exemplified by recent infection assays: implications for incidence estimates

Symptom screening rules to identify active pulmonary tuberculosis: findings from the Zambian South African Tuberculosis and HIV/AIDS Reduction (ZAMSTAR) trial prevalence surveys

Type

Year

Author