Imperial College London

ProfessorTimothyHallett

Faculty of MedicineSchool of Public Health

Professor of Global Health
 
 
 
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Contact

 

+44 (0)20 7594 1150timothy.hallett

 
 
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Location

 

Norfolk PlaceSt Mary's Campus

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Summary

 

Publications

Publication Type
Year
to

212 results found

Welte A, McWalter TA, Laeyendecker O, Hallett TBet al., 2010, Using tests for recent infection to estimate incidence: problems and prospects for HIV, EUROSURVEILLANCE, Vol: 15, Pages: 18-26, ISSN: 1560-7917

Journal article

Rehle TM, Hallett TB, Shisana O, Pillay-van Wyk V, Zuma K, Carrara H, Jooste Set al., 2010, A Decline in New HIV Infections in South Africa: Estimating HIV Incidence from Three National HIV Surveys in 2002, 2005 and 2008, PLOS ONE, Vol: 5, ISSN: 1932-6203

Journal article

Cremin I, Nyamukapa C, Sherr L, Hallett TB, Chawira G, Cauchemez S, Lopman B, Garnett GP, Gregson Set al., 2010, Patterns of Self-reported Behaviour Change Associated with Receiving Voluntary Counselling and Testing in a Longitudinal Study from Manicaland, Zimbabwe, AIDS AND BEHAVIOR, Vol: 14, Pages: 708-715, ISSN: 1090-7165

Journal article

Baernighausen T, Tanser F, Hallett T, Newell M-Let al., 2010, Short Communication: Prioritizing Communities for HIV Prevention in sub-Saharan Africa, AIDS RESEARCH AND HUMAN RETROVIRUSES, Vol: 26, Pages: 401-405, ISSN: 0889-2229

Journal article

Smit C, Hallett TB, Lange J, Garnett G, de Wolf Fet al., 2010, Late entry to HIV care limits the impact of anti-retroviral therapy in The Netherlands, PLoS ONE, Vol: 3, ISSN: 1932-6203

Journal article

Dodd PJ, Garnett GP, Hallett TB, 2010, Examining the promise of HIV elimination by 'test and treat' in hyperendemic settings, AIDS, Vol: 24, Pages: 729-U128, ISSN: 0269-9370

Journal article

UNAIDS Reference Group on Estimates Modelling and Projections Working Group on Measuring Concurrent Sexual Partnerships, 2010, HIV: consensus indicators are needed for concurrency., Lancet, Vol: 375, Pages: 621-622

Journal article

Hallett TB, Stover J, Mishra V, Ghys PD, Gregson S, Boerma Tet al., 2010, Estimates of HIV incidence from household-based prevalence surveys, AIDS, Vol: 24, Pages: 147-152, ISSN: 0269-9370

Journal article

Hallett TB, Over M, How to Pay “Cash-on-Delivery” for HIV Infections Averted: Two Measurement Approaches and Ten Payout Functions - Working Paper 210, Center for Global Development: Working Paper

In contrast to current donor policy, which funds a recipient country’s national AIDS control program, this paper proposes a measurement strategy to enable a donor to reward a recipient country’s success at HIV prevention, irrespective of the inputs, activities, or who gets the credit. In accordance with the “cash-on delivery” model of foreign assistance, the objective is not to replace traditional input- or activity-oriented aid, but to complement it by enhancing the motivation for local actors and their partners (including the traditional bilateral and multilateral funding agencies and their agents) to achieve measurable reductions in the rate of new HIV infections. This paper proposes two approaches to measuring the number of HIV infections averted between a baseline survey and a follow-up survey and explores the properties of ten alternative “payout functions” which would link measured epidemic changes to the size of the reward to be paid.

Journal article

Mastro TD, Kim AA, Hallett T, Rehle T, Welte A, Laeyendecker O, Oluoch T, Garcia-Calleja JMet al., 2010, Estimating HIV Incidence in Populations Using Tests for Recent Infection: Issues, Challenges and the Way Forward, Journal of HIV/AIDS Surveillance & Epidemiology

Journal article

UNAIDSWHOSACEMA Expert Group on Modelling the Impact Cost of Male Circumcision for HIV Prevention, 2009, Male Circumcision for HIV Prevention in High HIV Prevalence Settings: What Can Mathematical Modelling Contribute to Informed Decision Making?, PLoS Med, Vol: 6

Journal article

Hallett TB, Ghys P, Baernighausen T, Yan P, Garnett GPet al., 2009, Errors in 'BED'-Derived Estimates of HIV Incidence Will Vary by Place, Time and Age, PLOS ONE, Vol: 4, ISSN: 1932-6203

Journal article

Lopman BA, Nyamukapa C, Hallett TB, Mushati P, Spark-du Preez N, Kurwa F, Wambe M, Gregson Set al., 2009, Role of widows in the heterosexual transmission of HIV in Manicaland, Zimbabwe, 1998-2003, SEXUALLY TRANSMITTED INFECTIONS, Vol: 85, Pages: I41-I48, ISSN: 1368-4973

Journal article

Cremin I, Mushati P, Hallett T, Mupambireyi Z, Nyamukapa C, Garnett GP, Gregson Set al., 2009, Measuring trends in age at first sex and age at marriage in Manicaland, Zimbabwe, SEXUALLY TRANSMITTED INFECTIONS, Vol: 85, Pages: I34-I40, ISSN: 1368-4973

Journal article

Hallett T, Garnett G, 2009, Estimating Incidence of HIV Infection in Uganda, JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, Vol: 301, Pages: 159-159, ISSN: 0098-7484

Journal article

Hallett T, 2009, Monitoring HIV epidemics: declines in prevalence do not always mean good news, AIDS, Vol: 23, Pages: 131-132, ISSN: 0269-9370

Journal article

Hallett TB, Dube S, Cremin I, Lopman B, Mahomva A, Ncube G, Mugurungi O, Gregson S, Garnett GPet al., 2009, The role of testing and counselling for HIV prevention and care in the era of scaling-up antiretroviral therapy, Epidemics, Vol: 1, Pages: 77-82

Journal article

Hallett TB, Gregson S, Mugurungi O, Gonese E, Garnett GPet al., 2009, Assessing evidence for behaviour change affecting the course of HIV epidemics: A new mathematical modelling approach and application to data from Zimbabwe, Epidemics, Vol: 1, Pages: 108-117

Journal article

Walker PT, Hallett TB, White PJ, Garnett GPet al., 2008, Interpreting declines in HIV prevalence: impact of spatial aggregation and migration on expected declines in prevalence, SEXUALLY TRANSMITTED INFECTIONS, Vol: 84, Pages: II42-II48, ISSN: 1368-4973

Journal article

Hallett TB, Singh K, Smith JA, White RG, Abu-Raddad LJ, Garnett GPet al., 2008, Understanding the Impact of Male Circumcision Interventions on the Spread of HIV in Southern Africa, PLOS ONE, Vol: 3, ISSN: 1932-6203

Journal article

Hallett TB, Zaba B, Todd J, Lopman B, Mwita W, Biraro S, Gregson S, Boerma JTet al., 2008, Estimating incidence from prevalence in generalised HIV epidemics: Methods and validation, PLOS MEDICINE, Vol: 5, Pages: 611-622, ISSN: 1549-1277

Journal article

Hallett TB, Gregson S, Dube S, Garnett GPet al., 2008, The impact of monitoring HIV patients prior to treatment in resource-poor settings: Insights from mathematical modelling, PLOS MEDICINE, Vol: 5, Pages: 403-412, ISSN: 1549-1676

Journal article

Hallett TB, Garnett GP, Mupamberiyi Z, Gregson Set al., 2008, Measuring effectiveness in community randomized trials of HIV prevention, INTERNATIONAL JOURNAL OF EPIDEMIOLOGY, Vol: 37, Pages: 77-87, ISSN: 0300-5771

Journal article

Hallett TB, White PJ, Garnett GP, 2007, Appropriate evaluation of HIV prevention interventions: from experiment to full-scale implementation, SEXUALLY TRANSMITTED INFECTIONS, Vol: 83, Pages: I55-I60, ISSN: 1368-4973

Journal article

Hallett TB, Gregson S, Lewis JJC, Lopman BA, Garnett GPet al., 2007, Behaviour change in generalised HIV epidemics: impact of reducing cross-generational sex and delaying age at sexual debut, SEXUALLY TRANSMITTED INFECTIONS, Vol: 83, Pages: I50-I54, ISSN: 1368-4973

Journal article

Hallett TB, Lewis JJC, Lopman BA, Nyamukapa CA, Mushati P, Wambe M, Garnett GP, Gregson Set al., 2007, Age at first sex and HIV infection in rural Zimbabwe, STUDIES IN FAMILY PLANNING, Vol: 38, Pages: 1-10, ISSN: 0039-3665

Journal article

Looker KJ, Hallett TB, 2006, Individual freedom versus collective responsibility: too many rights make a wrong?, Emerg Themes Epidemiol, Vol: 3

: Individuals might reasonably expect the freedom to make their own decisions regarding their health. However, what happens when an individual's wishes conflict with what is in that individual's best interests? How far should an individual's rights be restricted for his or her own benefit? Similarly, what limitations should be placed on an individual's behaviour when that person's wishes go against what is good for the population in general? Here we discuss the issues that can arise when the rights of individuals conflict with individual and population benefits in relation to infectious diseases.

Journal article

Hallett TB, Garnett GP, 2006, Has global HIV incidence peaked?, LANCET, Vol: 368, Pages: 116-117, ISSN: 0140-6736

Journal article

Hallett TB, Aberle-Grasse J, Boulos LM, Cayemittes MPA, Cheluget B, Chipeta J, Dorrington R, Dube S, Ekra AK, Garcia-Calleja JM, Garnett GP, Greby S, Gregson S, Grove JT, Hader S, Hanson J, Hladik W, Ismail S, Kassim S, Kirungi W, Kouassi L, Mahomva A, Marum L, Maurice C, Nolan M, Rehle T, Stover J, Walker Net al., 2006, Declines in HIV prevalence can be associated with changing sexual behaviour in Uganda, urban Kenya, Zimbabwe, and urban Haiti, SEXUALLY TRANSMITTED INFECTIONS, Vol: 82, Pages: I1-I8, ISSN: 1368-4973

Journal article

Lopman BA, Barnabas R, Hallett TB, Nyamukapa C, Mundandi C, Mushati P, Garnett GP, Gregson Set al., 2006, Assessing adult mortality in HIV-1-afflicted Zimbabwe (1998-2003), BULLETIN OF THE WORLD HEALTH ORGANIZATION, Vol: 84, Pages: 189-197, ISSN: 0042-9686

Journal article

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