1982 …2019

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2004

Estimating resource needs for HIV/AIDS health care services in low-income and middle-income countries

Bertozzi, S., Gutierrez, J. P., Opuni, M., Walker, N. & Schwartländer, B., Aug 2004, In : Health Policy. 69, 2, p. 189-200 12 p.

Research output: Contribution to journalArticle

Estimating the global burden of HIV/AIDS: What do we really know about the HIV pandemic?

Walker, N., Grassly, N. C., Garnett, G. P., Stanecki, K. A. & Ghys, P. D., Jun 26 2004, In : The Lancet. 363, 9427, p. 2180-2185 6 p.

Research output: Contribution to journalArticle

Testing the accuracy of demographic estimates in countries with generalized epidemics

Stover, J., Ghys, P. D. & Walker, N., Jan 1 2004, In : AIDS. 18, SUPPL. 2

Research output: Contribution to journalArticle

The UNAIDS Estimation and Projection Package: A software package to estimate and project national HIV epidemics

Ghys, P. D., Brown, T., Grassly, N. C., Garnett, G., Stanecki, K. A., Stover, J. & Walker, N., Aug 2004, In : Sexually Transmitted Infections. 80, SUPPL. 1

Research output: Contribution to journalArticle

The use of blood donor data for HIV surveillance purposes

Sedyaningsih-Mamahit, E., Schinaia, N., Lazzari, S., Walker, N. & Vercauteren, G., Sep 3 2004, In : AIDS. 18, 13, p. 1849-1851 3 p.

Research output: Contribution to journalArticle

The workbook approach to making estimates and projecting future scenarios of HIV/AIDS in countries with low level and concentrated epidemics

Walker, N., Stover, J., Stanecki, K., Zaniewski, A. E., Grassly, N. C., Garcia-Calleja, J. M. & Ghys, P. D., Aug 2004, In : Sexually Transmitted Infections. 80, SUPPL. 1

Research output: Contribution to journalArticle

Uncertainty in estimates of HIV/AIDS: The estimation and application of plausibility bounds

Grassly, N. C., Morgan, M., Walker, N., Garnett, G., Stanecki, K. A., Stover, J., Brown, T. & Ghys, P. D., Aug 2004, In : Sexually Transmitted Infections. 80, SUPPL. 1

Research output: Contribution to journalArticle

2005

Can the world afford to save the lives of 6 million children each year?

Bryce, J., Black, R. E., Walker, N., Bhutta, Z. A., Lawn, J. E. & Steketee, R. W., Jun 25 2005, In : The Lancet. 365, 9478, p. 2193-2200 8 p.

Research output: Contribution to journalArticle

Evidence-based, cost-effective interventions: How many newborn babies can we save?

Darmstadt, G. L., Bhutta, Z. A., Cousens, S., Adam, T., Walker, N. & De Bernis, L., Mar 12 2005, In : The Lancet. 365, 9463, p. 977-988 12 p.

Research output: Contribution to journalArticle

Integrating HIV prevention and treatment: From slogans to impact

Salomon, J. A., Hogan, D. R., Stover, J., Stanecki, K. A., Walker, N., Ghys, P. D. & Schwartländer, B., 2005, In : PLoS Medicine. 2, p. 50-56 7 p.

Research output: Contribution to journalArticle

Neonatal survival: A call for action

Martines, J., Paul, V. K., Bhutta, Z. A., Koblinsky, M., Soucat, A., Walker, N., Bahl, R., Fogstad, H. & Costello, A., Mar 26 2005, In : The Lancet. 365, 9465, p. 1189-1197 9 p.

Research output: Contribution to journalArticle

2006

Better health statistics are possible

Bchir, A., Bhutta, Z., Binka, F., Black, R. E., Bradshaw, D., Garnett, G., Hayashi, K., Jha, P., Peto, R., Sawyer, C., Schwartländer, B., Walker, N., Wolfson, M., Yach, D. & Zaba, B., Jan 21 2006, In : The Lancet. 367, 9506, p. 190-193 4 p.

Research output: Contribution to journalArticle

Declines in HIV prevalence can be associated with changing sexual behaviour in Uganda, urban Kenya, Zimbabwe, and urban Haiti

Hallett, T. B., Aberle-Grasse, J., Bello, G., Boulos, L. M., Cayemittes, M. P. A., Cheluget, B., Chipeta, J., Dorrington, R., Dube, S., Ekra, A. K., Garcia-Calleja, J. M., Garnett, G. P., Greby, S., Gregson, S., Grove, J. T., Hader, S., Hanson, J., Hladik, W., Ismail, S., Kassim, S. & 9 others, Kirungi, W., Kouassi, L., Mahomva, A., Marum, L., Maurice, C., Nolan, M., Rehle, T., Stover, J. & Walker, N., Apr 2006, In : Sexually Transmitted Infections. 82, SUPPL. 1

Research output: Contribution to journalArticle

Improved plausibility bounds about the 2005 HIV and AIDS estimates

Morgan, M., Walker, N., Gouws, E., Stanecki, K. A. & Stover, J., Jun 2006, In : Sexually Transmitted Infections. 82, SUPPL. III

Research output: Contribution to journalArticle

Improving analysis of the size and dynamics of AIDS epidemics

Ghys, P. D., Walker, N. & Garnett, G. P., Jun 2006, In : Sexually Transmitted Infections. 82, SUPPL. III

Research output: Contribution to journalArticle

Monitoring the scale-up of antiretroviral therapy programmes: Methods to estimate coverage

Boerma, J. T., Stanecki, K. A., Newell, M. L., Luo, C., Beusenberg, M., Garnett, G. P., Little, K., Calleja, J. G., Crowley, S., Jim, Y. K., Zaniewski, E., Walker, N., Stover, J. & Ghys, P. D., Feb 2006, In : Bulletin of the World Health Organization. 84, 2, p. 145-150 6 p.

Research output: Contribution to journalArticle

Projecting the demographic impact of AIDS and the number of people in need of treatment: Updates to the Spectrum projection package

Stover, J., Walker, N., Grassly, N. C. & Marston, M., Jun 2006, In : Sexually Transmitted Infections. 82, SUPPL. III

Research output: Contribution to journalArticle

The global impact of scaling up HIV/AIDS prevention programs in low- and middle-income countries

Stover, J., Bertozzi, S., Gutierrez, J. P., Walker, N., Stanecki, K. A., Greener, R., Gouws, E., Hankins, C., Garnett, G. P., Salomon, J. A., Boerma, J. T., De Lay, P. & Ghys, P. D., Mar 10 2006, In : Science. 311, 5766, p. 1474-1476 3 p.

Research output: Contribution to journalArticle

Tracking progress towards the Millennium Development Goals: Reaching consensus on child mortality levels and trends

Hill, K., Croft, T., Jones, G., Loaiza, E., Hancioglu, A., Walker, N., Bakka, E., Wardlaw, T., Wilmoth, J., Pelletier, F., Sawyer, C., Buettner, T., Suzuki, E., Bos, E., Inoue, M., Shibuya, K. & Boerma, T., Mar 2006, In : Bulletin of the World Health Organization. 84, 3, p. 225-232 8 p.

Research output: Contribution to journalArticle

2007

Estimates of maternal mortality worldwide between 1990 and 2005: an assessment of available data

Hill, K., Thomas, K., AbouZahr, C., Walker, N., Say, L., Inoue, M. & Suzuki, E., Oct 13 2007, In : The Lancet. 370, 9595, p. 1311-1319 9 p.

Research output: Contribution to journalArticle

Global Burden of Disease 2005: call for collaborators

Murray, C. JL., Lopez, A. D., Black, R. E., Mathers, C. D., Shibuya, K., Ezzati, M., Salomon, J. A., Michaud, C. M., Walker, N. & Vos, T., Jul 14 2007, In : The Lancet. 370, 9582, p. 109-110 2 p.

Research output: Contribution to journalArticle

Interpreting health statistics for policymaking: the story behind the headlines

Walker, N., Bryce, J. & Black, R. E., Mar 17 2007, In : The Lancet. 369, 9565, p. 956-963 8 p.

Research output: Contribution to journalArticle

National response to orphans and other vulnerable children in sub-Saharan Africa: The OVC policy and planning effort index, 2004

Monasch, R., Stover, J., Loudon, M., Kabira, D. & Walker, N., Apr 2007, In : Vulnerable Children and Youth Studies. 2, 1, p. 40-59 20 p.

Research output: Contribution to journalArticle

Resource needs to support orphans and vulnerable children in sub-Saharan Africa

Stover, J., Bollinger, L., Walker, N. & Monasch, R., Jan 2007, In : Health Policy and Planning. 22, 1, p. 21-27 7 p.

Research output: Contribution to journalArticle

2008

Discrepancies between UN models and DHS survey estimates of maternal orphan prevalence: Insights from analyses of survey data from Zimbabwe

Robertson, L., Gregson, S., Madanhire, C., Walker, N., Mushati, P., Garnett, G. & Nyamukapa, C., Aug 2008, In : Sexually Transmitted Infections. 84, SUPPL. 1

Research output: Contribution to journalArticle

Estimates of HIV burden in emergencies

Lowicki-Zucca, M., Spiegel, P., Kelly, S., Dehne, K. L., Walker, N. & Ghys, P. D., Aug 2008, In : Sexually Transmitted Infections. 84, SUPPL. 1

Research output: Contribution to journalArticle

Improved data, methods and tools for the 2007 HIV and AIDS estimates and projections

Ghys, P. D., Walker, N., McFarland, W., Miller, R. & Garnett, G. P., Aug 2008, In : Sexually Transmitted Infections. 84, SUPPL. 1

Research output: Contribution to journalArticle

Interpreting declines in HIV prevalence: Impact of spatial aggregation and migration on expected declines in prevalence

Walker, N., Hallett, T. B., White, P. J. & Garnett, G. P., Oct 2008, In : Sexually Transmitted Infections. 84, SUPPL. 2

Research output: Contribution to journalArticle

Saving newborn lives in Asia and Africa: Cost and impact of phased scale-up of interventions within the continuum of care

Darmstadt, G. L., Walker, N., Lawn, J. E., Bhutta, Z. A., Haws, R. A. & Cousens, S., Mar 2008, In : Health Policy and Planning. 23, 2, p. 101-117 17 p.

Research output: Contribution to journalArticle

2010

Comparing modelled predictions of neonatal mortality impacts using list with observed results of community-based intervention trials in South Asia

Friberg, I. K., Bhutta, Z. A., Darmstadt, G. L., Bang, A., Cousens, S., Baqui, A., Kumar, V., Walker, N. & Lawn, J. E., Apr 1 2010, In : International Journal of Epidemiology. 39, SUPPL. 1

Research output: Contribution to journalArticle

Fertility of HIV-infected women: insights from Demographic and Health Surveys.

Chen, W. J. & Walker, N., Dec 2010, In : Sexually Transmitted Infections. 86 Suppl 2

Research output: Contribution to journalArticle

LiST as a catalyst in program planning: Experiences from Burkina Faso, Ghana and Malawi

Bryce, J., Friberg, I. K., Kraushaar, D., Nsona, H., Afenyadu, G. Y., Nare, N., Kyei-Faried, S. & Walker, N., Apr 1 2010, In : International Journal of Epidemiology. 39, SUPPL. 1

Research output: Contribution to journalArticle

Standards for CHERG reviews of intervention effects on child survival

Walker, N., Fischer-Walker, C., Bryce, J., Bahl, R. & Cousens, S., Apr 1 2010, In : International Journal of Epidemiology. 39, SUPPL. 1

Research output: Contribution to journalArticle

Sub-Saharan Africa's mothers, newborns, and children: How many lives could be saved with targeted health interventions?

Friberg, I. K., Kinney, M. V., Lawn, J. E., Kerber, K. J., Odubanjo, M. O., Bergh, A. M., Walker, N., Weissman, E., Chopra, M. & Black, R. E., Jun 2010, In : PLoS Medicine. 7, 6

Research output: Contribution to journalArticle

2011

Assumptions and methods in the Lives Saved Tool (LiST)

Fox, M. J., Martorell, R., van den Broek, N. & Walker, N., 2011, In : BMC Public Health. 11, SUPPL. 3, I1.

Research output: Contribution to journalArticle

Mathematical models in the evaluation of health programmes

Garnett, G. P., Cousens, S., Hallett, T. B., Steketee, R. & Walker, N., Aug 6 2011, In : The Lancet. 378, 9790, p. 515-525 11 p.

Research output: Contribution to journalArticle

Plausible estimates of stillbirth rates

Walker, N., Apr 16 2011, In : The Lancet. 377, 9774, p. 1292-1294 3 p.

Research output: Contribution to journalArticle

Scaling up diarrhea prevention and treatment interventions: a Lives Saved Tool analysis.

Fischer Walker, C. L., Friberg, I. K., Binkin, N., Young, M., Walker, N., Fontaine, O., Weissman, E., Gupta, A. & Black, R. E., Mar 2011, In : PLoS Medicine. 8, 3

Research output: Contribution to journalArticle

Stillbirths: How can health systems deliver for mothers and babies?

Pattinson, R., Kerber, K., Buchmann, E., Friberg, I. K., Belizan, M., Lansky, S., Weissman, E., Mathai, M., Rudan, I., Walker, N. & Lawn, J. E., May 7 2011, In : The Lancet. 377, 9777, p. 1610-1623 14 p.

Research output: Contribution to journalArticle

2012

Child Mortality Estimation: Accelerated Progress in Reducing Global Child Mortality, 1990-2010

Hill, K., You, D., Inoue, M., Oestergaard, M. Z., Hill, K., Alkema, L., Cousens, S., Croft, T., Guillot, M., Pedersen, J., Walker, N., Wilmoth, J. & Jones, G., Aug 2012, In : PLoS Medicine. 9, 8, e1001303.

Research output: Contribution to journalArticle

Child Mortality Estimation: Methods Used to Adjust for Bias due to AIDS in Estimating Trends in Under-Five Mortality

Walker, N., Hill, K. & Zhao, F., Aug 2012, In : PLoS Medicine. 9, 8, e1001298.

Research output: Contribution to journalArticle

Estimates of child deaths prevented from malaria prevention scale-up in Africa 2001-2010

Eisele, T. P., Larsen, D. A., Walker, N., Cibulskis, R. E., Yukich, J. O., Zikusooka, C. M. & Steketee, R. W., 2012, In : Malaria Journal. 11, 93.

Research output: Contribution to journalArticle

2013

Estimating the impact of interventions on cause-specific maternal mortality: A Delphi approach

Pollard, S., Mathai, M. & Walker, N., 2013, In : BMC Public Health. 13, SUPPL.3, S12.

Research output: Contribution to journalArticle

Evidence-based interventions for improvement of maternal and child nutrition: What can be done and at what cost?

Bhutta, Z. A., Das, J. K., Rizvi, A., Gaffey, M. F., Walker, N., Horton, S., Webb, P., Lartey, A. & Black, R. E., 2013, In : The Lancet. 382, 9890, p. 452-477 26 p.

Research output: Contribution to journalArticle

How within-country inequalities and co-coverage may affect LiST estimates of lives saved by scaling up interventions

Victora, C. G., Barros, A. J. D., Malpica-Llanos, T. & Walker, N., 2013, In : BMC Public Health. 13, SUPPL.3, S24.

Research output: Contribution to journalArticle

Interventions to address deaths from childhood pneumonia and diarrhoea equitably: What works and at what cost?

Bhutta, Z. A., Das, J. K., Walker, N., Rizvi, A., Campbell, H., Rudan, I. & Black, R. E., Apr 2013, In : The Lancet. 381, 9875, p. 1417-1429 13 p.

Research output: Contribution to journalArticle

Measuring Coverage in MNCH: A Validation Study Linking Population Survey Derived Coverage to Maternal, Newborn, and Child Health Care Records in Rural China

Liu, L., Li, M., Yang, L., Ju, L., Tan, B., Walker, N., Bryce, J., Campbell, H., Black, R. E. & Guo, Y., May 7 2013, In : PLoS One. 8, 5, e60762.

Research output: Contribution to journalArticle