1982 …2019
If you made any changes in Pure, your changes will be visible here soon.

Research Output 1982 2019

2000

AIDS in a new millennium

Schwartländer, B., Garnett, G., Walker, N. & Anderson, R., Jul 7 2000, In : Science. 289, 5476, p. 64-67 4 p.

Research output: Contribution to journalArticle

Anti-HIV Agents
United Nations
Population Dynamics
Health Policy
Risk-Taking

Modeling and analysis of a dynamic judgment task using a Lens Model approach

Bisantz, A. M., Kirlik, A., Gay, P., Phipps, D. A., Walker, N. & Fisk, A. D., Nov 2000, In : IEEE Transactions on Systems, Man, and Cybernetics Part A:Systems and Humans.. 30, 6, p. 605-616 12 p.

Research output: Contribution to journalArticle

Lens
Lenses
Modeling
Decision making
Decision Making
2001

Epidemiological analysis of the quality of HIV sero-surveillance in the world: How well do we track the epidemic?

Walker, N., Garcia-Calleja, J. M., Heaton, L., Asamoah-Odei, E., Poumerol, G., Lazzari, S., Ghys, P. D., Schwartländer, B. & Stanecki, K. A., Aug 17 2001, In : AIDS. 15, 12, p. 1545-1554 10 p.

Research output: Contribution to journalArticle

HIV
Acquired Immunodeficiency Syndrome
Sentinel Surveillance
Epidemiological Monitoring
Databases

Resource needs for HIV/AIDS

Schwartländer, B., Stover, J., Walker, N., Bollinger, L., Gutierrez, J. P., McGreevey, W., Opuni, M., Forsythe, S., Kumaranayake, L., Watts, C. & Bertozzi, S., Jun 29 2001, In : Science. 292, 5526, p. 2434-2436 3 p.

Research output: Contribution to journalArticle

International Cooperation
Private Sector
United Nations
Africa South of the Sahara
Health Resources

The global impact of HIV/AIDS

Piot, P., Bartos, M., Ghys, P. D., Walker, N. & Schwartländer, B., Apr 19 2001, In : Nature. 410, 6831, p. 968-973 6 p.

Research output: Contribution to journalArticle

Acquired Immunodeficiency Syndrome
HIV
Economic Development
Africa South of the Sahara
Population Growth
2002

AIDS in Africa.

Ghys, P. D., Walker, N. & Hankins, C., Nov 2 2002, In : The Lancet. 360, 9343

Research output: Contribution to journalArticle

Infectious Pregnancy Complications
Uganda
Condoms
HIV Infections
Acquired Immunodeficiency Syndrome

AIDS in Africa [2] (multiple letters)

Gisselquist, D., Potterat, J. J., Epstein, P., Vachon, F., Minkin, S. F., Buvé, A., Clerici, M., Boasso, A., Rizzardini, G., Deshpande, A., Biasin, M., Konotey-Ahulu, F. I. D., Ghys, P. D., Walker, N., Hankins, C. & Parkhurst, J., Nov 2 2002, In : The Lancet. 360, 9343, p. 1422-1425 4 p.

Research output: Contribution to journalArticle

Acquired Immunodeficiency Syndrome

Can we reverse the HIV/AIDS pandemic with an expanded response?

Stover, J., Walker, N., Garnett, G. P., Salomon, J. A., Stanecki, K. A., Ghys, P. D., Grassly, N. C., Anderson, R. M. & Schwartländer, B., Jul 6 2002, In : The Lancet. 360, 9326, p. 73-77 5 p.

Research output: Contribution to journalArticle

Pandemics
Acquired Immunodeficiency Syndrome
HIV
Risk-Taking
HIV-1

Estimated global distribution and regional spread of HIV-1 genetic subtypes in the year 2000

Osmanov, S., Pattou, C., Walker, N., Schwardländer, B., Esparza, J., Abimiku, A., Barre-Sinoussi, F., Biberfield, G., Birx, D., Bobkov, A., Von Briesen, H., Dietrich, U., Chappey, C., Galvao-Castro, B., Morgado, M., Tanuri, A., Goudsmit, J., Lukashov, L., Van der Groen, G., Heyndrickx, L. & 24 others, Janssen, W., Hahn, B., Gao, F., Hoelscher, M., Kaleebu, P., Sempala, S., Kalish, M., Korber, B., Lopez-Galindez, C., M'Boup, S., McCutchan, F., Mhalu, F., Lyamuya, E., Mullins, J., Najera, R., Nkengasong, J., Peeters, M., Delaporte, E., Salminen, M., Salomon, H., Samuel, N. M., Shao, Y., Wasi, C. & Williamson, C., Feb 1 2002, In : Journal of Acquired Immune Deficiency Syndromes. 29, 2, p. 184-190 7 p.

Research output: Contribution to journalArticle

HIV-1
HIV
Pandemics
Virology
Acquired Immunodeficiency Syndrome

Estimating HIV/AIDS prevalence in countries with low-level and concentrated epidemics: The example of Honduras

Ramón, J. S., Alvarenga, M., Walker, N., Garcia-Calleja, J. M. & Zacarias, F., Dec 2002, In : AIDS. 16, SUPPL. 3

Research output: Contribution to journalArticle

Honduras
Acquired Immunodeficiency Syndrome
HIV
Population Density
Uncertainty

Improved methods and assumptions for estimation of the HIV/AIDS epidemic and its impact: Recommendations of the UNAIDS Reference Group on estimates, modelling and projections

Artzrouni, M., Brown, T., Feeney, G., Garnett, G., Ghys, P., Grassly, N., Lazzari, S., Schneider, D., Stanecki, K., Stover, J., Schwartländer, B., Walker, N., Way, P., Yan, P., Zaba, B., Zlotnik, H., Boerma, T., Brahmbhatt, H., Calleja, J. M., Chin, J. & 16 others, Coutinho, R., Dabis, F., De Cock, K., Fitzgerald, D., Garnett, G., Gray, R. H., Kitayaporn, D., Landmann Szwarcwald, C., Morgan, D., Peerpatanapokin, W., Rangsin, R., Reddy, D. K., De Vincenzi, I., Monasch, R., Peeranapatopokin, W. & Timæus, I., Jun 14 2002, In : AIDS. 16, 9

Research output: Contribution to journalArticle

Acquired Immunodeficiency Syndrome
HIV
Epidemiology
HIV-1
Demography

Meeting international goals in child survival and HIV/AIDS

Walker, N., Schwartländer, B. & Bryce, J., Jul 27 2002, In : The Lancet. 360, 9329, p. 284-289 6 p.

Research output: Contribution to journalArticle

Acquired Immunodeficiency Syndrome
HIV
Survival
Mortality
Child Mortality

Status of the HIV/AIDS epidemic and methods to monitor it in the Latin America and Caribbean region

Garcia Calleja, J. M., Walker, N., Cuchi, P., Lazzari, S., Ghys, P. D. & Zacarias, F., Dec 2002, In : AIDS. 16, SUPPL. 3

Research output: Contribution to journalArticle

Latin America
Acquired Immunodeficiency Syndrome
HIV
Population Groups
HIV Infections
2003

Back to basics in HIV prevention: Focus on exposure

Pisani, E., Garnett, G. P., Brown, T., Stover, J., Grassly, N. C., Hankins, C., Walker, N. & Ghys, P. D., Jun 21 2003, In : BMJ (Online). 326, 7403, p. 1384-1387 4 p.

Research output: Contribution to journalArticle

HIV Infections
HIV

Estimates of HIV-1 prevalence from national population-based surveys as a new gold standard

Boerma, J. T., Ghys, P. D. & Walker, N., Dec 6 2003, In : The Lancet. 362, 9399, p. 1929-1931 3 p.

Research output: Contribution to journalArticle

HIV-1
Population
Surveys and Questionnaires

Estimation of "needs" and "probable uptake" for HIV/AIDS preventive vaccines based on possible policies and likely acceptance (a WHO/UNAIDS/IAVI study)

Esparza, J., Chang, M. L., Widdus, R., Madrid, Y., Walker, N. & Ghys, P. D., May 16 2003, In : Vaccine. 21, 17-18, p. 2041-2050 10 p.

Research output: Contribution to journalArticle

AIDS Vaccines
Vaccines
HIV
vaccines
Health Services Needs and Demand

Growing in silence: selected regions and countries with expanding HIV/AIDS epidemics.

Ghys, P. D., Saidel, T., Vu, H. T., Savtchenko, I., Erasilova, I., Mashologu, Y. S., Indongo, R., Sikhosana, N. & Walker, N., 2003, In : AIDS. 17 Suppl 4

Research output: Contribution to journalArticle

Infectious Pregnancy Complications
Lesotho
Swaziland
Sentinel Surveillance
Intravenous Substance Abuse

HIV surveillance: A global perspective

Pisani, E., Lazzari, S., Walker, N. & Schwartländer, B., Feb 2003, In : Journal of Acquired Immune Deficiency Syndromes. 32, SUPPL. 1

Research output: Contribution to journalArticle

HIV
Botswana
Vietnam
Heterosexuality
Risk-Taking

Maintaining usability during 3D placement despite delay

Watson, B., Walker, N., Woytiuk, P. & Ribarsky, W., 2003, Proceedings - IEEE Virtual Reality. IEEE Computer Society, Vol. 2003-January. p. 133-140 8 p. 1191131

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Experiments

Methods and procedures for estimating HIV/AIDS and its impact: The UNAIDS/WHO estimates for the end of 2001

Walker, N., Stanecki, K. A., Brown, T., Stover, J., Lazzari, S., Garcia-Calleja, J. M., Schwartländer, B. & Ghys, P. D., Oct 17 2003, In : AIDS. 17, 15, p. 2215-2225 11 p.

Research output: Contribution to journalArticle

Acquired Immunodeficiency Syndrome
HIV
Child Mortality
Mortality
United Nations

The growing burden of tuberculosis: Global trends and interactions with the HIV epidemic

Corbett, E. L., Watt, C. J., Walker, N., Maher, D., Williams, B. G., Raviglione, M. C. & Dye, C., May 12 2003, In : Archives of Internal Medicine. 163, 9, p. 1009-1021 13 p.

Research output: Contribution to journalArticle

Tuberculosis
HIV
Virus Diseases
Coinfection
Acquired Immunodeficiency Syndrome
2004

A global analysis of trends in the quality of HIV sero-surveillance

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

Research output: Contribution to journalArticle

HIV
Databases
Censuses
Acquired Immunodeficiency Syndrome
Serum

Comparison of household-survey estimates with projections of mortality and orphan numbers in sub-Saharan Africa in the area of HIV/AIDS

Grassly, N. C., Lewis, J. J. C., Mahy, M., Walker, N. & Timaæus, I. M., Jul 2004, In : Population Studies. 58, 2, p. 207-217 11 p.

Research output: Contribution to journalArticle

orphan
household survey
projection
AIDS
mortality

Distribution of major health risks: Findings from the global burden of disease study

Comparative Risk Assessment Collaborating Group, Jan 1 2004, In : PLoS Medicine. 1, 1, p. 44-55 12 p., e27.

Research output: Contribution to journalArticle

Health
Population
Thinness
Tobacco Use
Vegetables

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

Health Services
Acquired Immunodeficiency Syndrome
HIV
Delivery of Health Care
United Nations

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

Pandemics
Acquired Immunodeficiency Syndrome
HIV
Uncertainty
Morbidity

Supra-threshold control of peripheral LOD

Watson, B., Walker, N. & Hodges, L. F., 2004, ACM SIGGRAPH 2004 Papers, SIGGRAPH 2004. p. 750-759 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Display devices
Feedback
Experiments

Supra-threshold control of peripheral LOD

Watson, B., Walker, N. & Hodges, L. F., 2004, ACM Transactions on Graphics. 3 ed. Vol. 23. p. 750-759 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Display devices
Feedback
Experiments

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

Demography
HIV
Acquired Immunodeficiency Syndrome
Mortality
Hospital Records

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

Software
HIV

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

Blood Donors
HIV
Proxy
Tissue Donors
Population

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

Acquired Immunodeficiency Syndrome
HIV
Software
Population
Sexual Partners

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

Uncertainty
Acquired Immunodeficiency Syndrome
HIV
Research Design
Sentinel Surveillance
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

Costs and Cost Analysis
Universal Coverage
Drug Costs
Child Development
Developing Countries

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

Newborn Infant
Infant Mortality
Costs and Cost Analysis
Universal Coverage
Postnatal Care

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

Acquired Immunodeficiency Syndrome
HIV
Infection
Mortality
Africa South of the Sahara

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

Costs and Cost Analysis
Mothers
Newborn Infant
Postnatal Care
House Calls
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

Factual Databases
Research Design
Mortality
Health

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

Haiti
Zimbabwe
Uganda
Kenya
Sexual Behavior

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

Acquired Immunodeficiency Syndrome
HIV
Uncertainty
HIV Seroprevalence
United Nations

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

Epidemiologic Methods
Disease Outbreaks
Acquired Immunodeficiency Syndrome
Global Health

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

Information Storage and Retrieval
Therapeutics
Sulfamethoxazole Drug Combination Trimethoprim
Uncertainty

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

Acquired Immunodeficiency Syndrome
Demography
HIV
Mothers
Survival

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

Acquired Immunodeficiency Syndrome
HIV
Infection
Health Care Costs
Drug Users

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

Child Mortality
Health Information Systems
Consensus
International Agencies
Mortality
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

Maternal Mortality
Maternal Death
Africa South of the Sahara
Uncertainty
Cause of Death

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

Population Surveillance
Epidemiologic Methods
Mortality
Global Health
Global Burden of Disease

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

Health
Public Health
Health Policy
Epidemiology
Mortality

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

Orphaned Children
orphan
Africa South of the Sahara
planning
Acquired Immunodeficiency Syndrome

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

Orphaned Children
orphan
Africa South of the Sahara
funding
resources