Modelling the human immunodeficiency virus (HIV) epidemic: A review of the substance and role of models in South Africa

by Nathan Geffen, Alex Welte
Published 2018-02-01

A comparison of biomarker based incidence estimators.

by Thomas A McWalter, Alex Welte
Published 2009-01-01

Cost-effectiveness of Xpert MTB/RIF and investing in health care in Africa

by Keertan Dheda, Grant Theron, Alex Welte
Published 2014-10-01

A general HIV incidence inference scheme based on likelihood of individual level data and a population renewal equation.

by Guy Severin Mahiane, Rachid Ouifki, Hilmarie Brand, Wim Delva, Alex Welte
Published 2012-01-01

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

by Cari van Schalkwyk, Jean Maritz, Gert U. van Zyl, Wolfgang Preiser, Alex Welte
Published 2019-02-01

Morbidity and mortality up to 5 years post tuberculosis treatment in South Africa: A pilot study

by Muhammad Osman, Alex Welte, Rory Dunbar, Rosemary Brown, Graeme Hoddinott, Anneke C. Hesseling, Florian M. Marx
Published 2019-08-01

Towards eliminating bias in cluster analysis of TB genotyped data.

by Cari van Schalkwyk, Madeleine Cule, Alex Welte, Paul van Helden, Gian van der Spuy, Pieter Uys
Published 2012-01-01

HIV treatment as prevention: principles of good HIV epidemiology modelling for public health decision-making in all modes of prevention and evaluation.

by Wim Delva, David P Wilson, Laith Abu-Raddad, Marelize Gorgens, David Wilson, Timothy B Hallett, Alex Welte
Published 2012-01-01

Challenges to the performance of current HIV diagnostic assays and the need for centralized specimen archives: a review of the Consortium for the Evaluation and Performance of HIV...

by Shelley N. Facente, Michael P. Busch, Eduard Grebe, Christopher D. Pilcher, Alex Welte, Brian Rice, Gary Murphy
Published 2019-07-01

Incidence of TB and HIV in prospectively followed household contacts of TB index patients in South Africa.

by Cari van Schalkwyk, Ebrahim Variava, Adrienne E Shapiro, Modiehi Rakgokong, Katlego Masonoke, Limakatso Lebina, Alex Welte, Neil Martinson
Published 2014-01-01

Seroconverting blood donors as a resource for characterising and optimising recent infection testing algorithms for incidence estimation.

by Reshma Kassanjee, Alex Welte, Thomas A McWalter, Sheila M Keating, Marion Vermeulen, Susan L Stramer, Michael P Busch
Published 2011-01-01

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

by Muhammad Osman, Cari van Schalkwyk, Pren Naidoo, James A. Seddon, Rory Dunbar, Sicelo S. Dlamini, Alex Welte, Anneke C. Hesseling, Mareli M. Claassens
Published 2021-08-01

Tuberculosis in persons with sudden unexpected death, in Cape Town, South Africa

by Muhammad Osman, Janette Verster, Johan J Dempers, Karen Du Preez, Arne von Delft, Rory Dunbar, Alex Welte, Pren Naidoo, Anneke C Hesseling
Published 2021-04-01

HIV incidence in rural South Africa: comparison of estimates from longitudinal surveillance and cross-sectional cBED assay testing.

by Till Bärnighausen, Claudia Wallrauch, Alex Welte, Thomas A McWalter, Nhlanhla Mbizana, Johannes Viljoen, Natalie Graham, Frank Tanser, Adrian Puren, Marie-Louise Newell
Published 2008-01-01

Early mortality in tuberculosis patients initially lost to follow up following diagnosis in provincial hospitals and primary health care facilities in Western Cape, South Africa.

by Muhammad Osman, Sue-Ann Meehan, Arne von Delft, Karen Du Preez, Rory Dunbar, Florian M Marx, Andrew Boulle, Alex Welte, Pren Naidoo, Anneke C Hesseling
Published 2021-01-01

Population-level HIV incidence estimates using a combination of synthetic cohort and recency biomarker approaches in KwaZulu-Natal, South Africa.

by Eduard Grebe, Alex Welte, Leigh F Johnson, Gilles van Cutsem, Adrian Puren, Tom Ellman, Jean-François Etard, Consortium for the Evaluation and Performance of HIV Incidence Assays (CEPHIA), Helena Huerga
Published 2018-01-01

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

by Ushma C. Mehta, Cari van Schalkwyk, Prineetha Naidoo, Arthi Ramkissoon, Otty Mhlongo, Niren R. Maharaj, Niree Naidoo, Karen Fieggen, Michael F. Urban, Shaun Krog, Alex Welte, Mukesh Dheda, Yogan Pillay, Neil F. Moran
Published 2019-09-01

Comparison of cross-sectional HIV incidence assay results from dried blood spots and plasma.

by Katherine E Schlusser, Christopher Pilcher, Esper G Kallas, Breno R Santos, Steven G Deeks, Shelley Facente, Sheila M Keating, Michael P Busch, Gary Murphy, Alex Welte, Thomas Quinn, Susan H Eshleman, Oliver Laeyendecker
Published 2017-01-01

Interpreting HIV diagnostic histories into infection time estimates: analytical framework and online tool

by Eduard Grebe, Shelley N. Facente, Jeremy Bingham, Christopher D. Pilcher, Andrew Powrie, Jarryd Gerber, Gareth Priede, Trust Chibawara, Michael P. Busch, Gary Murphy, Reshma Kassanjee, Alex Welte, on behalf of the Consortium for the Evaluation and Performance of HIV Incidence Assays (CEPHIA)
Published 2019-10-01

Performance comparison of the Maxim and Sedia Limiting Antigen Avidity assays for HIV incidence surveillance.

by Joseph B Sempa, Alex Welte, Michael P Busch, Jake Hall, Dylan Hampton, Shelley N Facente, Sheila M Keating, Kara Marson, Neil Parkin, Christopher D Pilcher, Gary Murphy, Eduard Grebe, Consortium for the Evaluation and Performance of HIV Incidence Assays (CEPHIA)
Published 2019-01-01