Dr Timothy Hallett

Publications


Journals

  • Hewett PC; Hallett TB; Mensch BS; Dzekedzeke K; Zimba-Tembo S; Garnett GP; Todd PE. (20 Jan 2012). Sex with stitches: the resumption of sexual activity during the post-circumcision wound healing period in Zambia. AIDS. DOI.
  • Hallett TB; Baeten JM; Heffron R; Barnabas R; de Bruyn G; Cremin Í; Delany S; Garnett GP; et alGray G; Johnson L; McIntyre J; Rees H; Celum C. (Nov 2011). Optimal uses of antiretrovirals for prevention in HIV-1 serodiscordant heterosexual couples in South Africa: a modelling study. PLoS Med. 8:e1001123. DOI.
  • Garnett GP; Cousens S; Hallett TB; Steketee R; Walker N. (6 Aug 2011). Mathematical models in the evaluation of health programmes. LANCET. 378:515-525. DOI.
  • Hallett T; Atun R; Branson B; Group IACPW. (14 Jun 2011). More and Better Information to Tackle HIV Epidemics: Towards Improved HIV Incidence Assays. PLoS Medicine. e1001045., 8:1-6. DOI.
  • Schwartländer B; Stover J; Hallett T; Atun R; Avila C; Gouws E; Bartos M; Ghys PD; et alOpuni M; Barr D; Alsallaq R; Bollinger L; de Freitas M; Garnett G; Holmes C; Legins K; Pillay Y; Stanciole AE; McClure C; Hirnschall G; Laga M; Padian N; Investment Framework Study Group. (11 Jun 2011). Towards an improved investment approach for an effective response to HIV/AIDS. Lancet. 377:2031-2041. DOI.
  • Hallett TB; Gregson S; Dube S; Mapfeka ES; Mugurungi O; Garnett GP. (Dec 2011). Estimating the resources required in the roll-out of universal access to antiretroviral treatment in Zimbabwe. Sex Transm Infect. 87:621-628. DOI.
  • Bello G; Simwaka B; Ndhlovu T; Salaniponi F; Hallett TB. (Jun 2011). Evidence for changes in behaviour leading to reductions in HIV prevalence in urban Malawi. Sex Transm Infect. 87:296-300. DOI.
  • Garnett GP; Cousens S; Hallett TB; Steketee R; Walker N. (6 Aug 2011). Mathematical models in the evaluation of health programmes. Lancet. 378:515-525. DOI.
  • Hallett TB. (Mar 2011). Estimating the HIV incidence rate: recent and future developments. Curr Opin HIV AIDS. 6:102-107. DOI.
  • Kim AA; Hallett T; Stover J; Gouws E; Musinguzi J; Mureithi PK; Bunnell R; Hargrove J; et alMermin J; Kaiser RK; Barsigo A; Ghys PD. (7 Mar 2011). Estimating HIV Incidence among Adults in Kenya and Uganda: A Systematic Comparison of Multiple Methods. PLOS ONE. 6. DOI.
  • Halperin DT; Mugurungi O; Hallett TB; Muchini B; Campbell B; Magure T; Benedikt C; Gregson S. (Feb 2011). A Surprising Prevention Success: Why Did the HIV Epidemic Decline in Zimbabwe?. PLOS MED. 8. DOI.
  • Bórquez A; Hallett TB; Gomez GB; Garnett GP. (Apr 2011). Condom use by female sex workers and their clients in Mexico: who decides and does it matter?. Sex Transm Infect. 87:254-256. DOI Open Access copy.
  • Shelton JD; Cohen M; Barnhart M; Hallett T. (Nov 2010). Is antiretroviral therapy modifying the HIV epidemic?. LANCET. 376:1824-1825.
  • Stover J; Johnson P; Hallett T; Marston M; Becquet R; Timaeus IM. (Dec 2010). The Spectrum projection package: improvements in estimating incidence by age and sex, mother-to-child transmission, HIV progression in children and double orphans. SEX TRANSM INFECT. 86:I16-I21. DOI.
  • Bernard HR; Hallett T; Iovita A; Johnsen EC; Lyerla R; McCarty C; Mahy M; Salganik MJ; et alSaliuk T; Scutelniciuc O; Shelley GA; Sirinirund P; Weir S; Stroup DF. (Dec 2010). Counting hard-to-count populations: the network scale-up method for public health. SEX TRANSM INFECT. 86:I11-I15. DOI.
  • Hallett TB; Alsallaq RA; Baeten JM; Weiss H; Celum C; Gray R; Abu-Raddad L. (Mar 2011). Will circumcision provide even more protection from HIV to women and men? New estimates of the population impact of circumcision interventions. Sex Transm Infect. 87:88-93. DOI.
  • Hallett TB; Gregson S; Kurwa F; Garnett GP; Dube S; Chawira G; Mason PR; Nyamukapa CA. (1 Oct 2010). Measuring and correcting biased child mortality statistics in countries with generalized epidemics of HIV infection. Bull World Health Organ. 88:761-768. DOI.
  • Eaton JW; Hallett TB; Garnett GP. (May 2011). Concurrent sexual partnerships and primary HIV infection: a critical interaction. AIDS Behav. 15:687-692. DOI.
  • Strathdee SA; Hallett TB; Bobrova N; Rhodes T; Booth R; Abdool R; Hankins CA. (24 Jul 2010). HIV in people who use drugs 1 HIV and risk environment for injecting drug users: the past, present, and future. LANCET. 376:268-284. DOI.
  • Hallett TB; Smit C; Garnett GP; de Wolf F. (Feb 2011). Estimating the risk of HIV transmission from homosexual men receiving treatment to their HIV-uninfected partners. Sex Transm Infect. 87:17-21. DOI.
  • Welte A; McWalter TA; Laeyendecker O; Hallett TB. (17 Jun 2010). Using tests for recent infection to estimate incidence: problems and prospects for HIV. EUROSURVEILLANCE. 15:18-26.
  • Rehle TM; Hallett TB; Shisana O; Pillay-van Wyk V; Zuma K; Carrara H; Jooste S. (14 Jun 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. 5. DOI.
  • Barnighausen T; Tanser F; Hallett T; Newell ML. (Apr 2010). Short Communication: Prioritizing Communities for HIV Prevention in sub-Saharan Africa. AIDS RES HUM RETROV. 26:401-405. DOI.
  • Mastro TD; Kim AA; Hallett T; Rehle T; Welte A; Laeyendecker O; Oluoch T; Garcia-Calleja JM. (2010). Estimating HIV Incidence in Populations Using Tests for Recent Infection: Issues, Challenges and the Way Forward. Journal of HIV/AIDS Surveillance & Epidemiology.
  • 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. Publisher weblink.
  • Gregson S; Gonese E; Hallett TB; Taruberekera N; Hargrove JW; Lopman B; Corbett EL; Dorrington R; et alDube S; Dehne K; Mugurungi O. (Oct 2010). HIV decline in Zimbabwe due to reductions in risky sex? Evidence from a comprehensive epidemiological review. Int J Epidemiol. 39:1311-1323. DOI Open Access copy.
  • Partnerships UNAIDSRGOEMAPWGOMCS. HIV: consensus indicators are needed for concurrency. Lancet. 375:621-622.
  • Smit C; Hallett TB; Lange J; Garnett G; de Wolf F. (9 Apr 2008). Late Entry to HIV Care Limits the Impact of Anti-Retroviral Therapy in the Netherlands. PLOS ONE. 3. DOI.
  • Dodd PJ; Garnett GP; Hallett TB. (13 Mar 2010). Examining the promise of HIV elimination by 'test and treat' in hyperendemic settings. AIDS. 24:729-735. DOI.
  • Hallett TB; Singh K; Smith JA; White RG; Abu-Raddad LJ; Garnett GP. (21 May 2008). Understanding the Impact of Male Circumcision Interventions on the Spread of HIV in Southern Africa. PLOS ONE. 3. DOI.
  • Hallett TB; Stover J; Mishra V; Ghys PD; Gregson S; Boerma T. (2 Jan 2010). Estimates of HIV incidence from household-based prevalence surveys. AIDS. 24:147-152. DOI.
  • UNAIDS/WHO/SACEMA Expert Group on Modelling the Impact Cost of Male Circumcision for HIV Prevention. Male Circumcision for HIV Prevention in High HIV Prevalence Settings: What Can Mathematical Modelling Contribute to Informed Decision Making?. PLoS Med. 6:e1000109. Publisher weblink Open Access copy.
  • Cremin I; Nyamukapa C; Sherr L; Hallett TB; Chawira G; Cauchemez S; Lopman B; Garnett GP; et alGregson S. (Jun 2010). Patterns of self-reported behaviour change associated with receiving voluntary counselling and testing in a longitudinal study from Manicaland, Zimbabwe. AIDS Behav. 14:708-715. DOI Open Access copy.
  • Hallett TB; Dube S; Cremin I; Lopman B; Mahomva A; Ncube G; Mugurungi O; Gregson S; et alGarnett GP. (2009). The role of testing and counselling for HIV prevention and care in the era of scaling-up antiretroviral therapy. Epidemics. 1:77-82. DOI.
  • Hallett TB; Gregson S; Mugurungi O; Gonese E; Garnett GP. E (ed). (2009). Assessing evidence for behaviour change affecting the course of HIV epidemics: A new mathematical modelling approach and application to data from Zimbabwe. Epidemics. 1:108-117. DOI.
  • Hallett TB; Ghys P; Bärnighausen T; Yan P; Garnett GP. (2009). Errors in 'BED'-derived estimates of HIV incidence will vary by place, time and age. PLoS One. 4:e5720. DOI.
  • Hallett TB; Garnett GP. (8 Jul 2006). Has global HIV incidence peaked?. LANCET. 368:116-117.
  • Lopman BA; Nyamukapa C; Hallett TB; Mushati P; Spark-du Preez N; Kurwa F; Wambe M; Gregson S. (Apr 2009). Role of widows in the heterosexual transmission of HIV in Manicaland, Zimbabwe, 1998-2003. Sex Transm Infect. 85 Suppl 1:i41-i48. DOI.
  • Cremin I; Mushati P; Hallett T; Mupambireyi Z; Nyamukapa C; Garnett GP; Gregson S. (Apr 2009). Measuring trends in age at first sex and age at marriage in Manicaland, Zimbabwe. Sex Transm Infect. 85 Suppl 1:i34-i40. DOI.
  • Hallett T. (2 Jan 2009). Monitoring HIV epidemics: declines in prevalence do not always mean good news. AIDS. 23:131-132. DOI.
  • Hallett T; Garnett G. (14 Jan 2009). Estimating Incidence of HIV Infection in Uganda. JAMA-J AM MED ASSOC. 301:159-159.
  • Walker PT; Hallett TB; White PJ; Garnett GP. (Oct 2008). Interpreting declines in HIV prevalence: impact of spatial aggregation and migration on expected declines in prevalence. Sex Transm Infect. 84 Suppl 2:ii42-ii48. DOI.
  • Smit C; Hallett TB; Lange J; Garnett G; de Wolf F. (Apr 2010). Late entry to HIV care limits the impact of anti-retroviral therapy in The Netherlands. PLoS ONE. 3:e1949. Publisher weblink DOI.
  • Hallett TB; Zaba B; Todd J; Lopman B; Mwita W; Biraro S; Gregson S; Boerma JT; et alALPHA Network. (8 Apr 2008). Estimating incidence from prevalence in generalised HIV epidemics: methods and validation. PLoS Med. 5:e80. DOI.
  • Hallett TB; Gregson S; Dube S; Garnett GP. (11 Mar 2008). The impact of monitoring HIV patients prior to treatment in resource-poor settings: insights from mathematical modelling. PLoS Med. 5:e53. DOI.
  • Hallett TB; Garnett GP; Mupamberiyi Z; Gregson S. (Feb 2008). Measuring effectiveness in community randomized trials of HIV prevention. Int J Epidemiol. 37:77-87. DOI.
  • Hallett TB; Lewis JJ; Lopman BA; Nyamukapa CA; Mushati P; Wambe M; Garnett GP; Gregson S. (Mar 2007). Age at first sex and HIV infection in rural Zimbabwe. Stud Fam Plann. 38:1-10.
  • Hallett TB; Gregson S; Lewis JJ; Lopman BA; Garnett GP. (Aug 2007). Behaviour change in generalised HIV epidemics: impact of reducing cross-generational sex and delaying age at sexual debut. Sex Transm Infect. 83 Suppl 1:i50-i54. DOI.
  • Hallett TB; White PJ; Garnett GP. (Aug 2007). Appropriate evaluation of HIV prevention interventions: from experiment to full-scale implementation. Sex Transm Infect. 83 Suppl 1:i55-i60. DOI.
  • Looker KJ; Hallett TB. (2006). Individual freedom versus collective responsibility: too many rights make a wrong?. Emerg Themes Epidemiol. 3:14. DOI.
  • Hallett TB; Aberle-Grasse J; Bello G; Boulos LM; Cayemittes MP; Cheluget B; Chipeta J; Dorrington R; et alDube 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 N. (Apr 2006). Declines in HIV prevalence can be associated with changing sexual behaviour in Uganda, urban Kenya, Zimbabwe, and urban Haiti. Sex Transm Infect. 82 Suppl 1:i1-i8. DOI.
  • Lopman BA; Barnabas R; Hallett TB; Nyamukapa C; Mundandi C; Mushati P; Garnett GP; Gregson S. (Mar 2006). Assessing adult mortality in HIV-1-afflicted Zimbabwe (1998 -2003). Bull World Health Organ. 84:189-197.
  • Gregson S; Garnett GP; Nyamukapa CA; Hallett TB; Lewis JJ; Mason PR; Chandiwana SK; Anderson RM. (3 Feb 2006). HIV decline associated with behavior change in eastern Zimbabwe. Science. 311:664-666. DOI.
  • Hallett TB; Coulson T; Pilkington JG; Clutton-Brock TH; Pemberton JM; Grenfell BT. (1 Jul 2004). Why large-scale climate indices seem to predict ecological processes better than local weather. Nature. 430:71-75. DOI.
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