Phylogenetic Exploration of Nosocomial Transmission Chains of 2009 Influenza A/H1N1 among Children Admitted at Red Cross War Memorial Children’s Hospital, Cape Town, South Africa i...

por Valley-Omar, Ziyaad, Nindo, Fredrick, Mudau, Maanda, Hsiao, Marvin, Martin, Darren Patrick
Publicado 2015

Novel Respiratory Syncytial Virus Subtype ON1 among Children, Cape Town, South Africa, 2012

por Valley-Omar, Ziyaad, Muloiwa, Rudzani, Hu, Nai-Chung, Eley, Brian, Hsiao, Nei-Yuan
Publicado 2013

Clinical characterisation and phylogeny of respiratory syncytial virus infection in hospitalised children at Red Cross War Memorial Children’s Hospital, Cape Town

por Oladokun, Regina, Muloiwa, Rudzani, Hsiao, Nei-yuan, Valley-Omar, Ziyaad, Nuttall, James, Eley, Brian
Publicado 2016

The implementation of a rapid sample preparation method for the detection of SARS-CoV-2 in a diagnostic laboratory in South Africa

por Marais, Gert, Naidoo, Michelle, Hsiao, Nei-yuan, Valley-Omar, Ziyaad, Smuts, Heidi, Hardie, Diana
Publicado 2020

Abrogation of contaminating RNA activity in HIV-1 Gag VLPs

por Valley-Omar, Ziyaad, Meyers, Ann E, Shephard, Enid G, Williamson, Anna-Lise, Rybicki, Edward P
Publicado 2011

Human Parainfluenza Virus (HPIV) Detection in Hospitalized Children with Acute Respiratory Tract Infection in the Western Cape, South Africa during 2014–2022 Reveals a Shift in Dom...

por Parsons, Jane, Korsman, Stephen, Smuts, Heidi, Hsiao, Nei-Yuan, Valley-Omar, Ziyaad, Gelderbloem, Tathym, Hardie, Diana
Publicado 2023

Estimating vaccine effectiveness in preventing laboratory‐confirmed influenza in outpatient settings in South Africa, 2015

por McAnerney, Johanna M., Walaza, Sibongile, Tempia, Stefano, Blumberg, Lucille, Treurnicht, Florette K., Madhi, Shabir A., Valley‐Omar, Ziyaad, Cohen, Cheryl
Publicado 2016

Intra-host and intra-household diversity of influenza A viruses during household transmissions in the 2013 season in 2 peri-urban communities of South Africa

por Valley-Omar, Ziyaad, Iyengar, Preetha, von Mollendorf, Claire, Tempia, Stefano, Moerdyk, Alexandra, Hellferscee, Orienka, Martinson, Neil, McMorrow, Meredith, Variava, Ebrahim, Masonoke, Katlego, Cohen, Adam L., Cohen, Cheryl, Treurnicht, Florette K.
Publicado 2018

Human respiratory syncytial virus diversity and epidemiology among patients hospitalized with severe respiratory illness in South Africa, 2012–2015

por Valley‐Omar, Ziyaad, Tempia, Stefano, Hellferscee, Orienka, Walaza, Sibongile, Variava, Ebrahim, Dawood, Halima, Kahn, Kathleen, McMorrow, Meredith, Pretorius, Marthi, Mtshali, Senzo, Mamorobela, Ernest, Wolter, Nicole, Venter, Marietjie, von Gottberg, Anne, Cohen, Cheryl, Treurnicht, Florette K.
Publicado 2021

Human surveillance and phylogeny of highly pathogenic avian influenza A(H5N8) during an outbreak in poultry in South Africa, 2017

por Valley‐Omar, Ziyaad, Cloete, Alicia, Pieterse, Reneé, Walaza, Sibongile, Salie‐Bassier, Yusrah, Smith, Mikhail, Govender, Nevashan, Seleka, Mpho, Hellferscee, Orienka, Mtshali, Phillip Senzo, Allam, Mushal, Ismail, Arshad, Anthony, Tasneem, Seutloali, Michelle, McCarthy, Kerrigan, van Helden, Lesley, Cohen, Cheryl, Treurnicht, Florette Kathleen
Publicado 2020

Higher mortality associated with the SARS-CoV-2 Delta variant in the Western Cape, South Africa, using RdRp target delay as a proxy: a cross-sectional study.

por Hussey, Hannah, Davies, Mary-Ann, Heekes, Alexa, Williamson, Carolyn, Valley-Omar, Ziyaad, Hardie, Diana, Korsman, Stephen, Doolabh, Deelan, Preiser, Wofgang, Maponga, Tongai, Iranzadeh, Arash, Engelbrecht, Susan, Wasserman, Sean, Schrueder, Neshaad, Boloko, Linda, Symons, Greg, Raubenheimer, Peter, Viljoen, Abraham, Parker, Arifa, Cohen, Cheryl, Jasat, Waasila, Lessells, Richard, Wilkinson, Robert J, Boulle, Andrew, Hsiao, Marvin
Publicado 2022

Reduced amplification efficiency of the RNA-dependent-RNA-polymerase target enables tracking of the Delta SARS-CoV-2 variant using routine diagnostic tests

por Valley-Omar, Ziyaad, Marais, Gert, Iranzadeh, Arash, Naidoo, Michelle, Korsman, Stephen, Maponga, Tongai, Hussey, Hannah, Davies, Mary-Ann, Boulle, Andrew, Doolabh, Deelan, Laubscher, Mariska, Wojno, Justyna, Deetlefs, J.D., Maritz, Jean, Scott, Lesley, Msomi, Nokukhanya, Naicker, Cherise, Tegally, Houriiyah, de Oliveira, Tulio, Bhiman, Jinal, Williamson, Carolyn, Preiser, Wolfgang, Hardie, Diana, Hsiao, Nei-yuan
Publicado 2022

Assessing the clinical severity of the Omicron variant in the Western Cape Province, South Africa, using the diagnostic PCR proxy marker of RdRp target delay to distinguish between...

por Hussey, Hannah, Davies, Mary-Ann, Heekes, Alexa, Williamson, Carolyn, Valley-Omar, Ziyaad, Hardie, Diana, Korsman, Stephen, Doolabh, Deelan, Preiser, Wolfgang, Maponga, Tongai, Iranzadeh, Arash, Wasserman, Sean, Boloko, Linda, Symons, Greg, Raubenheimer, Peter, Parker, Arifa, Schrueder, Neshaad, Solomon, Wesley, Rousseau, Petro, Wolter, Nicole, Jassat, Waasila, Cohen, Cheryl, Lessells, Richard, Wilkinson, Robert J, Boulle, Andrew, Hsiao, Nei-yuan
Publicado 2022

Escape from recognition of SARS-CoV-2 Beta variant spike epitopes but overall preservation of T cell immunity

por Riou, Catherine, Keeton, Roanne, Moyo-Gwete, Thandeka, Hermanus, Tandile, Kgagudi, Prudence, Baguma, Richard, Valley-Omar, Ziyaad, Smith, Mikhail, Tegally, Houriiyah, Doolabh, Deelan, Iranzadeh, Arash, Tyers, Lynn, Mutavhatsindi, Hygon, Tincho, Marius B., Benede, Ntombi, Marais, Gert, Chinhoyi, Lionel R., Mennen, Mathilda, Skelem, Sango, du Bruyn, Elsa, Stek, Cari, de Oliveira, Tulio, Williamson, Carolyn, Moore, Penny L., Wilkinson, Robert J., Ntusi, Ntobeko A. B., Burgers, Wendy A.
Publicado 2022