Zobrazeno 1 - 10
of 170
pro vyhledávání: '"Wendy S. Stevens"'
Autor:
Andrew N Phillips, Kamy Chetty, Lise Jamieson, Naseem Cassim, Brooke E Nichols, Kyra H Grantz, Alvin X Han, Alexandra de Nooy, Lucia Hans, Manuel Pedro da Silva, Lesley E Scott, Wendy S Stevens
Publikováno v:
BMJ Global Health, Vol 9, Iss 12 (2024)
Introduction To ensure there is adequate investment into diagnostics, an understanding of the magnitude of impact and return on investment is necessary. We, therefore, sought to understand the health and economic impacts of the molecular diagnostic p
Externí odkaz:
https://doaj.org/article/a38a0a995a334bd98b4f57f5c219e146
Autor:
Naseem Cassim, Lindi-Marie Coetzee, Manuel P. da Silva, Deborah K. Glencross, Wendy S. Stevens
Publikováno v:
Southern African Journal of HIV Medicine, Vol 25, Iss 1, Pp e1-e6 (2024)
Background: Reflexed cryptococcal antigenaemia (CrAg) testing has been offered since 2016 in South Africa, on remnant CD4 specimens, for people with a count 100 cells/μL. Local guidelines recommended extending testing to 200 cells/μL. Objectives:
Externí odkaz:
https://doaj.org/article/dbc9586cb9314ed6a04db0f7754071af
Autor:
Anne N. Shapiro, Lesley Scott, Harry Moultrie, Karen R. Jacobson, Jacob Bor, Abdou M. Fofana, Graeme Dor, Norbert O. Ndjeka, Pedro da Silva, Koleka Mlisana, Helen E. Jenkins, Wendy S. Stevens
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-9 (2023)
Abstract The National Health Laboratory Service (NHLS) collects all public health laboratory test results in South Africa, providing a cohort from which to identify groups, by age, sex, HIV, and viral suppression status, that would benefit from incre
Externí odkaz:
https://doaj.org/article/f3ab67af3ba64e36aa7f313c3602973e
Autor:
Abdou M. Fofana, Harry Moultrie, Lesley Scott, Karen R. Jacobson, Anne N. Shapiro, Graeme Dor, Beth Crankshaw, Pedro Da Silva, Helen E. Jenkins, Jacob Bor, Wendy S. Stevens
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-10 (2023)
Abstract Human migration facilitates the spread of infectious disease. However, little is known about the contribution of migration to the spread of tuberculosis in South Africa. We analyzed longitudinal data on all tuberculosis test results recorded
Externí odkaz:
https://doaj.org/article/46eed7df59984b918611706f5271bfa9
Publikováno v:
African Journal of Laboratory Medicine, Vol 12, Iss 1, Pp e1-e6 (2023)
Background: Mycobacterium tuberculosis complex (MTBC) isolates are typically stored at −70 °C in cryovials containing 1 mL aliquots of a liquid medium, with or without 50% glycerol. Multiple uses of the culture stock may decrease the strain viabil
Externí odkaz:
https://doaj.org/article/839dfdf6792b410b993c44e51ee49970
Autor:
Naseem Cassim, Lindi-Marie Coetzee, Manuel P. da Silva, Deborah K. Glencross, Wendy S. Stevens
Publikováno v:
Southern African Journal of HIV Medicine, Vol 24, Iss 1, Pp e1-e8 (2023)
Background: South Africa has the largest HIV epidemic globally, with ~7.5 million people living with HIV in 2021. Adolescent girls (AG) and young women (YW), aged 15–19 years and 20–24 years, are twice as likely to be living with HIV as their mal
Externí odkaz:
https://doaj.org/article/ea2ce91500ad4be1b82ef01fa5ff0202
Publikováno v:
Journal of Public Health in Africa, Vol 14, Iss 4 (2023)
Background: Historically, paper-based laboratory reports were delivered by couriers to health facilities resulting in post-analytical delays. As a result, short message service (SMS) printers were deployed to fill this gap, with the global data servi
Externí odkaz:
https://doaj.org/article/9b09c16ca8d94d99aaa3fef5c2726508
Autor:
Lara Vojnov, Sergio Carmona, Clement Zeh, Jessica Markby, Debrah Boeras, Marta R Prescott, Anthony L H Mayne, Souleymane Sawadogo, Christiane Adje-Toure, Guoqing Zhang, Mercedes Perez Gonzalez, Wendy S Stevens, Meg Doherty, Chunfu Yang, Heather Alexander, Trevor F Peter, John Nkengasong, DBS for VL Diagnostics Investigation Consortium
Publikováno v:
PLoS Medicine, Vol 19, Iss 8, p e1004076 (2022)
BackgroundAccurate routine HIV viral load testing is essential for assessing the efficacy of antiretroviral treatment (ART) regimens and the emergence of drug resistance. While the use of plasma specimens is the standard for viral load testing, its u
Externí odkaz:
https://doaj.org/article/61783262c89a448f8ef42aca23d00a71
Autor:
Lesley E. Scott, Lara D. Noble, Ashika Singh-Moodley, Trish Kahamba, Diana R. Hardie, Wolfgang Preiser, Wendy S. Stevens
Publikováno v:
African Journal of Laboratory Medicine, Vol 11, Iss 1, Pp e1-e5 (2022)
No abstract available.
Externí odkaz:
https://doaj.org/article/143560efe1be4e24a04c4dc6e1f92c3e
Publikováno v:
African Journal of Laboratory Medicine, Vol 10, Iss 1, Pp e1-e7 (2021)
Background: Globally, tuberculosis remains a major cause of mortality, with an estimated 1.3 million deaths per annum. The Xpert MTB/RIF assay is used as the initial diagnostic test in the tuberculosis diagnostic algorithm. To extend the national tub
Externí odkaz:
https://doaj.org/article/60462c568ae643a4b9699039596ee630