van Schalkwyk C

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
Patient diagnostic rate as indicator of tuberculosis case detection, South Africa
Claassens MM, van Schalkwyk C, Dunbar R, Ayles H, Beyers N

Emerging Infectious Diseases

(2016)

https://doi.org/10.3201/eid2203.151618
Symptom reporting among prevalent tuberculosis cases who smoke, are HIV-positive or have hyperglycaemia
Sattar SM, van Schalkwyk C, Claassens MM, Dunbar R, Floyd S, Enarson DA, Godfrey-Faussett P, Ayles H, Beyers N

Public Health Action

(2014)

https://doi.org/10.5588/pha.14.0081
Missed opportunities for retention in pre-ART care in Cape Town, South Africa
Du Toit E, Jennings K, Yang B, Coetzee D, van Schalkwyk C, Beyers N, Dunbar R

PLoS One

(2014)

https://doi.org/10.1371/journal.pone.0096867
Incidence of TB and HIV in prospectively followed household contacts of TB index patients in South Africa
van Schalkwyk C, Variava E, Shapiro AE, Rakgokong M, Masonoke K, Lebina L, Martinson NA, Welte A

PLoS One

(2014)

https://doi.org/10.1371/journal.pone.0095372
Tuberculosis in healthcare workers and infection control measures at primary healthcare facilities in South Africa
Claassens MM, van Schalkwyk C, Du Toit E, Roest E, Lombard CJ, Enarson DA, Beyers N, Borgdorff MW

PLoS One

(2013)

https://doi.org/10.1371/journal.pone.0076272
Outcomes and impact of HIV prevention, ART and TB programs in Swaziland–early evidence from public health triangulation
van Schalkwyk C, Korenromp EL, Garcia Calleja JM, Mndzebele S, Hlophe T, Stoneburner R, Pervilhac C

PLoS One

(2013)

https://doi.org/10.1371/journal.pone.0069437
High prevalence of tuberculosis and insufficient case detection in two communities in the Western Cape, South Africa
Claassens MM, van Schalkwyk C, den Haan L, Floyd S, Dunbar R, van Helden PD, Godfrey-Faussett P, Ayles H, Borgdorff M, Enarson DA, Beyers N

PLoS One

(2013)

https://doi.org/10.1371/journal.pone.0058689
How should we best estimate the mean recency duration for the BED method?
Hargrove JW, Eastwood H, Mahiane GS, van Schalkwyk C

PLoS One

(2012)

https://doi.org/10.1371/journal.pone.0049661
Towards eliminating bias in cluster analysis of TB genotyped data
van Schalkwyk C, Cule M, Welte A, van Helden PD, van der Spuy G, Uys P

PLoS ONE

(2012)

https://doi.org/10.1371/journal.pone.0034109
BED estimates of HIV incidence: resolving the differences, making things simpler
Hargrove JW, van Schalkwyk C, Eastwood E

PLoS One

(2012)

https://doi.org/10.1371/journal.pone.0029736