Use of Pharmacokinetic Data in Novel Analyses to Determine the Effect of Topical Microbicides as Preexposure Prophylaxis Against HIV Infection

by Vermund, Sten H., Walker, A. Sarah
Published 2016

Optimal CD4 Count for Initiating HIV Treatment: Impact of CD4 Observation Frequency and Grace Periods, and Performance of Dynamic Marginal Structural Models

by Ewings, Fiona M., Ford, Deborah, Walker, A. Sarah, Carpenter, James, Copas, Andrew
Published 2014

Antibiotic use and clinical outcomes in the acute setting under management by an infectious diseases acute physician versus other clinical teams: a cohort study

by Fawcett, Nicola JK, Jones, Nicola, Quan, T Phuong, Mistry, Vikash, Crook, Derrick, Peto, Tim, Walker, A Sarah
Published 2016

Excellent Adherence to Antiretrovirals in HIV+ Zambian Children Is Compromised by Disrupted Routine, HIV Nondisclosure, and Paradoxical Income Effects

by Haberer, Jessica E., Cook, Adrian, Walker, A. Sarah, Ngambi, Marjorie, Ferrier, Alex, Mulenga, Veronica, Kityo, Cissy, Thomason, Margaret, Kabamba, Desiree, Chintu, Chifumbe, Gibb, Diana M., Bangsberg, David R.
Published 2011

Decline of meticillin-resistant Staphylococcus aureus in Oxfordshire hospitals is strain-specific and preceded infection-control intensification

by Wyllie, David H, Walker, A Sarah, Miller, Ruth, Moore, Catrin, Williamson, Susan R, Schlackow, Iryna, Finney, John M, O'Connor, Lily, Peto, Tim E A, Crook, Derrick W
Published 2011

Surveillance of Infection Severity: A Registry Study of Laboratory Diagnosed Clostridium difficile

by Schlackow, Iryna, Walker, A. Sarah, Dingle, Kate, Griffiths, David, Oakley, Sarah, Finney, John, Vaughan, Ali, Gill, Martin J., Crook, Derrick W., Peto, Tim E. A., Wyllie, David H.
Published 2012

Detection of Mixed Infection from Bacterial Whole Genome Sequence Data Allows Assessment of Its Role in Clostridium difficile Transmission

by Eyre, David W., Cule, Madeleine L., Griffiths, David, Crook, Derrick W., Peto, Tim E. A., Walker, A. Sarah, Wilson, Daniel J.
Published 2013

A Single CD4 Test with 250 Cells/Mm3 Threshold Predicts Viral Suppression in HIV-Infected Adults Failing First-Line Therapy by Clinical Criteria

by Gilks, Charles F., Walker, A. Sarah, Munderi, Paula, Kityo, Cissy, Reid, Andrew, Katabira, Elly, Goodall, Ruth L., Grosskurth, Heiner, Mugyenyi, Peter, Hakim, James, Gibb, Diana M.
Published 2013

Asymptomatic Clostridium difficile Colonisation and Onward Transmission

by Eyre, David W., Griffiths, David, Vaughan, Alison, Golubchik, Tanya, Acharya, Milind, O’Connor, Lily, Crook, Derrick W., Walker, A. Sarah, Peto, Tim E. A.
Published 2013

Dynamics of acquisition and loss of carriage of Staphylococcus aureus strains in the community: The effect of clonal complex☆☆☆

by Miller, Ruth R., Walker, A. Sarah, Godwin, Heather, Fung, Rowena, Votintseva, Antonina, Bowden, Rory, Mant, David, Peto, Timothy E.A., Crook, Derrick W., Knox, Kyle
Published 2014

Prevalence of Staphylococcus aureus protein A (spa) mutants in the community and hospitals in Oxfordshire

by Votintseva, Antonina A, Fung, Rowena, Miller, Ruth R, Knox, Kyle, Godwin, Heather, Wyllie, David H, Bowden, Rory, Crook, Derrick W, Walker, A Sarah
Published 2014

Whole-Genome Sequencing Demonstrates That Fidaxomicin Is Superior to Vancomycin for Preventing Reinfection and Relapse of Infection With Clostridium difficile

by Eyre, David W., Babakhani, Farah, Griffiths, David, Seddon, Jaime, Del Ojo Elias, Carlos, Gorbach, Sherwood L., Peto, Tim E. A., Crook, Derrick W., Walker, A. Sarah
Published 2014

High Level of Viral Suppression and Low Switch Rate to Second-Line Antiretroviral Therapy among HIV-Infected Adult Patients Followed over Five Years: Retrospective Analysis of the...

by Kityo, Cissy, Gibb, Diana M., Gilks, Charles F., Goodall, Ruth L., Mambule, Ivan, Kaleebu, Pontiano, Pillay, Deenan, Kasirye, Ronnie, Mugyenyi, Peter, Walker, A. Sarah, Dunn, David T.
Published 2014

Predicting Patterns of Long-Term CD4 Reconstitution in HIV-Infected Children Starting Antiretroviral Therapy in Sub-Saharan Africa: A Cohort-Based Modelling Study

by Picat, Marie-Quitterie, Lewis, Joanna, Musiime, Victor, Prendergast, Andrew, Nathoo, Kusum, Kekitiinwa, Addy, Nahirya Ntege, Patricia, Gibb, Diana M., Thiebaut, Rodolphe, Walker, A. Sarah, Klein, Nigel, Callard, Robin
Published 2013

Plasma Efavirenz Exposure, Sex, and Age Predict Virological Response in HIV-Infected African Children

by Bienczak, Andrzej, Denti, Paolo, Cook, Adrian, Wiesner, Lubbe, Mulenga, Veronica, Kityo, Cissy, Kekitiinwa, Addy, Gibb, Diana M., Burger, David, Walker, A. Sarah, McIlleron, Helen
Published 2016

Distinguishing the Signals of Gingivitis and Periodontitis in Supragingival Plaque: a Cross-Sectional Cohort Study in Malawi

by Shaw, Liam, Harjunmaa, Ulla, Doyle, Ronan, Mulewa, Simeon, Charlie, Davie, Maleta, Ken, Callard, Robin, Walker, A. Sarah, Balloux, Francois, Ashorn, Per, Klein, Nigel
Published 2016

Limiting Cumulative HIV Viremia Copy-Years by Early Treatment Reduces Risk of AIDS and Death

by Olson, Ashley D., Walker, A. Sarah, Suthar, Amitabh B., Sabin, Caroline, Bucher, Heiner C., Jarrin, Inma, Moreno, Santiago, Perez-Hoyos, Santiago, Porter, Kholoud, Ford, Deborah
Published 2016

Effect of diurnal variation, CYP2B6 genotype and age on the pharmacokinetics of nevirapine in African children

by Bienczak, Andrzej, Cook, Adrian, Wiesner, Lubbe, Mulenga, Veronica, Kityo, Cissy, Kekitiinwa, Addy, Walker, A. Sarah, Owen, Andrew, Gibb, Diana M., Burger, David, McIlleron, Helen, Denti, Paolo
Published 2017

The Impact of Different CD4 Cell-Count Monitoring and Switching Strategies on Mortality in HIV-Infected African Adults on Antiretroviral Therapy: An Application of Dynamic Marginal...

by Ford, Deborah, Robins, James M., Petersen, Maya L., Gibb, Diana M., Gilks, Charles F., Mugyenyi, Peter, Grosskurth, Heiner, Hakim, James, Katabira, Elly, Babiker, Abdel G., Walker, A. Sarah
Published 2015

Complete Genome Sequence of KPC-Producing Klebsiella pneumoniae Strain CAV1193

by Sheppard, Anna E., Stoesser, Nicole, Sebra, Robert, Kasarskis, Andrew, Deikus, Gintaras, Anson, Luke, Walker, A. Sarah, Peto, Tim E., Crook, Derrick W., Mathers, Amy J.
Published 2016