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Current experiences of accessing and using HIV pre-exposure prophylaxis (PrEP) in the United Kingdom: a cross-sectional online survey, May to July 2019.

O'Halloran C, Owen G, Croxford S, Sims LB, Gill ON, Nutland W, Delpech V.

Euro Surveill. 2019 Nov;24(48). doi: 10.2807/1560-7917.ES.2019.24.48.1900693.


Prevalence of new variants of Chlamydia trachomatis escaping detection by the Aptima Combo 2 assay, England, June to August 2019.

Roberts DJ, Davis GS, Cole MJ, Naik D, Maru H, Woodford N, Muir P, Horner P, Simms I, Thickett G, Crook P, Foster K, Andrews N, Saunders J, Fifer H, Folkard K, Gill ON, On Behalf Of The Incident Management Team.

Euro Surveill. 2019 Sep;24(38). doi: 10.2807/1560-7917.ES.2019.24.38.1900557.


HIV-1 Transmission Patterns in Men Who Have Sex with Men: Insights from Genetic Source Attribution Analysis.

Le Vu S, Ratmann O, Delpech V, Brown AE, Gill ON, Tostevin A, Dunn D, Fraser C, Volz EM.

AIDS Res Hum Retroviruses. 2019 Sep;35(9):805-813. doi: 10.1089/AID.2018.0236.


HIV care cost in England: a cross-sectional analysis of antiretroviral treatment and the impact of generic introduction.

Ong KJ, van Hoek AJ, Harris RJ, Figueroa J, Waters L, Chau C, Croxford S, Kirwan P, Brown A, Postma MJ, Gill ON, Delpech V.

HIV Med. 2019 Jul;20(6):377-391. doi: 10.1111/hiv.12725. Epub 2019 Apr 29.


Preparing for PrEP: estimating the size of the population eligible for HIV pre-exposure prophylaxis among men who have sex with men in England.

Mitchell HD, Desai S, Mohammed H, Ong KJ, Furegato M, Hall V, Desai M, Saunders JM, Hughes G, Field N, Gill ON.

Sex Transm Infect. 2019 Nov;95(7):484-487. doi: 10.1136/sextrans-2019-054009. Epub 2019 Apr 22.


Extending Bayesian back-calculation to estimate age and time specific HIV incidence.

Brizzi F, Birrell PJ, Plummer MT, Kirwan P, Brown AE, Delpech VC, Gill ON, De Angelis D.

Lifetime Data Anal. 2019 Oct;25(4):757-780. doi: 10.1007/s10985-019-09465-1. Epub 2019 Feb 27.


Determining the Origins of Human Immunodeficiency Virus Type 1 Drug-resistant Minority Variants in People Who Are Recently Infected Using Phylogenetic Reconstruction.

Mbisa JL, Kirwan P, Tostevin A, Ledesma J, Bibby DF, Brown A, Myers R, Hassan AS, Murphy G, Asboe D, Pozniak A, Kirk S, Gill ON, Sabin C, Delpech V, Dunn DT; UK HIV Drug Resistance Database .

Clin Infect Dis. 2019 Sep 13;69(7):1136-1143. doi: 10.1093/cid/ciy1048.


Estimating chlamydia prevalence: more difficult than modelling suggests.

Soldan K, Dunbar JK, Gill ON.

Lancet Public Health. 2018 Sep;3(9):e416. doi: 10.1016/S2468-2667(18)30166-X. No abstract available.


Sexual behaviours and sexually transmitted infection outcomes in a cohort of HIV-negative men who have sex with men attending sexual health clinics in England.

Desai S, Burns F, Schembri G, Williams D, Sullivan A, McOwan A, Antonucci S, Mercey D, Hughes G, Hart G, Gill ON, Nardone A.

Int J STD AIDS. 2018 Aug 16:956462418789333. doi: 10.1177/0956462418789333. [Epub ahead of print]


Comparison of cluster-based and source-attribution methods for estimating transmission risk using large HIV sequence databases.

Le Vu S, Ratmann O, Delpech V, Brown AE, Gill ON, Tostevin A, Fraser C, Volz EM.

Epidemics. 2018 Jun;23:1-10. doi: 10.1016/j.epidem.2017.10.001. Epub 2017 Oct 20.


Economic evaluation of HIV pre-exposure prophylaxis among men-who-have-sex-with-men in England in 2016.

Ong KJ, Desai S, Field N, Desai M, Nardone A, van Hoek AJ, Gill ON.

Euro Surveill. 2017 Oct;22(42). doi: 10.2807/1560-7917.ES.2017.22.42.17-00192.


Cost-effectiveness of pre-exposure prophylaxis for HIV prevention in men who have sex with men in the UK: a modelling study and health economic evaluation.

Cambiano V, Miners A, Dunn D, McCormack S, Ong KJ, Gill ON, Nardone A, Desai M, Field N, Hart G, Delpech V, Cairns G, Rodger A, Phillips AN.

Lancet Infect Dis. 2018 Jan;18(1):85-94. doi: 10.1016/S1473-3099(17)30540-6. Epub 2017 Oct 17.


Fall in new HIV diagnoses among men who have sex with men (MSM) at selected London sexual health clinics since early 2015: testing or treatment or pre-exposure prophylaxis (PrEP)?

Brown AE, Mohammed H, Ogaz D, Kirwan PD, Yung M, Nash SG, Furegato M, Hughes G, Connor N, Delpech VC, Gill ON.

Euro Surveill. 2017 Jun 22;22(25). pii: 30553. doi: 10.2807/1560-7917.ES.2017.22.25.30553.


HIV incidence in an open national cohort of men who have sex with men attending sexually transmitted infection clinics in England.

Desai S, Nardone A, Hughes G, Delpech V, Burns F, Hart G, Gill ON.

HIV Med. 2017 Oct;18(9):615-622. doi: 10.1111/hiv.12498. Epub 2017 Jan 27.


Enhanced surveillance of HIV-1 drug resistance in recently infected MSM in the UK.

Cunningham E, Chan YT, Aghaizu A, Bibby DF, Murphy G, Tosswill J, Harris RJ, Myers R, Field N, Delpech V, Cane PA, Gill ON, Mbisa JL.

J Antimicrob Chemother. 2017 Jan;72(1):227-234. Epub 2016 Oct 14.


An analysis of baseline data from the PROUD study: an open-label randomised trial of pre-exposure prophylaxis.

Dolling DI, Desai M, McOwan A, Gilson R, Clarke A, Fisher M, Schembri G, Sullivan AK, Mackie N, Reeves I, Portman M, Saunders J, Fox J, Bayley J, Brady M, Bowman C, Lacey CJ, Taylor S, White D, Antonucci S, Gafos M, McCormack S, Gill ON, Dunn DT, Nardone A; PROUD Study Group.

Trials. 2016 Mar 24;17:163. doi: 10.1186/s13063-016-1286-4.


Effect of pre-exposure prophylaxis and combination HIV prevention for men who have sex with men in the UK: a mathematical modelling study.

Punyacharoensin N, Edmunds WJ, De Angelis D, Delpech V, Hart G, Elford J, Brown A, Gill ON, White RG.

Lancet HIV. 2016 Feb;3(2):e94-e104. doi: 10.1016/S2352-3018(15)00056-9. Epub 2016 Jan 14.


Effect of nondisclosure of HIV status in sexual health clinics on unlinked anonymous HIV prevalence estimates in England, 2005-2009.

Savage EJ, Lowndes CM, Sullivan AK, Back DJ, Else LJ, Murphy G, Gill ON.

AIDS. 2016 Jan 2;30(1):145-9. doi: 10.1097/QAD.0000000000000868.


Potential impact on HIV incidence of higher HIV testing rates and earlier antiretroviral therapy initiation in MSM.

Phillips AN, Cambiano V, Miners A, Lampe FC, Rodger A, Nakagawa F, Brown A, Gill ON, De Angelis D, Elford J, Hart G, Johnson AM, Lundgren JD, Collins S, Delpech V.

AIDS. 2015 Sep 10;29(14):1855-62. doi: 10.1097/QAD.0000000000000767.


Pre-exposure prophylaxis to prevent the acquisition of HIV-1 infection (PROUD): effectiveness results from the pilot phase of a pragmatic open-label randomised trial.

McCormack S, Dunn DT, Desai M, Dolling DI, Gafos M, Gilson R, Sullivan AK, Clarke A, Reeves I, Schembri G, Mackie N, Bowman C, Lacey CJ, Apea V, Brady M, Fox J, Taylor S, Antonucci S, Khoo SH, Rooney J, Nardone A, Fisher M, McOwan A, Phillips AN, Johnson AM, Gazzard B, Gill ON.

Lancet. 2016 Jan 2;387(10013):53-60. doi: 10.1016/S0140-6736(15)00056-2. Epub 2015 Sep 9.


Can we use postal surveys with anonymous testing to monitor chlamydia prevalence in young women in England? Pilot study incorporating randomised controlled trial of recruitment methods.

Woodhall SC, Nichols T, Alexander S, da Silva FC, Mercer CH, Ison C, Gill ON, Soldan K.

Sex Transm Infect. 2015 Sep;91(6):412-4. doi: 10.1136/sextrans-2015-052067.


Sex, drugs and smart phone applications: findings from semistructured interviews with men who have sex with men diagnosed with Shigella flexneri 3a in England and Wales.

Gilbart VL, Simms I, Jenkins C, Furegato M, Gobin M, Oliver I, Hart G, Gill ON, Hughes G.

Sex Transm Infect. 2015 Dec;91(8):598-602. doi: 10.1136/sextrans-2015-052014. Epub 2015 Apr 28.


Managing the risk of iatrogenic transmission of Creutzfeldt-Jakob disease in the UK.

Hall V, Brookes D, Nacul L, Gill ON, Connor N; CJD Incidents Panel.

J Hosp Infect. 2014 Sep;88(1):22-7. doi: 10.1016/j.jhin.2014.06.002. Epub 2014 Jul 3.


Recent infection testing algorithm (RITA) applied to new HIV diagnoses in England, Wales and Northern Ireland, 2009 to 2011.

Aghaizu A, Murphy G, Tosswill J, DeAngelis D, Charlett A, Gill ON, Ward H, Lattimore S, Simmons R, Delpech V.

Euro Surveill. 2014 Jan 16;19(2). pii: 20673.


Migrant patients' access to HIV care: testing should always be free.

Delpech VC, Curtis H, Brown AE, Ong E, Hughes G, Gill ON.

BMJ. 2013 Nov 27;347:f7056. doi: 10.1136/bmj.f7056. No abstract available.


HIV in the UK: test, test, and test again.

Nardone A, Delpech V, Gill ON, Fenton KA, Anderson J.

Lancet. 2013 Nov 23;382(9906):1687-8. doi: 10.1016/S0140-6736(13)62377-6. No abstract available.


Reduction in HPV 16/18 prevalence in sexually active young women following the introduction of HPV immunisation in England.

Mesher D, Soldan K, Howell-Jones R, Panwar K, Manyenga P, Jit M, Beddows S, Gill ON.

Vaccine. 2013 Dec 17;32(1):26-32. doi: 10.1016/j.vaccine.2013.10.085. Epub 2013 Nov 6.


Prevalent abnormal prion protein in human appendixes after bovine spongiform encephalopathy epizootic: large scale survey.

Gill ON, Spencer Y, Richard-Loendt A, Kelly C, Dabaghian R, Boyes L, Linehan J, Simmons M, Webb P, Bellerby P, Andrews N, Hilton DA, Ironside JW, Beck J, Poulter M, Mead S, Brandner S.

BMJ. 2013 Oct 15;347:f5675. doi: 10.1136/bmj.f5675.


Declining genital Warts in young women in england associated with HPV 16/18 vaccination: an ecological study.

Howell-Jones R, Soldan K, Wetten S, Mesher D, Williams T, Gill ON, Hughes G.

J Infect Dis. 2013 Nov 1;208(9):1397-403. doi: 10.1093/infdis/jit361.


HIV treatment as prevention among men who have sex with men in the UK: is transmission controlled by universal access to HIV treatment and care?

Brown AE, Gill ON, Delpech VC.

HIV Med. 2013 Oct;14(9):563-70. doi: 10.1111/hiv.12066. Epub 2013 Jul 28.


Hepatitis E virus seroprevalence among men who have sex with men, United Kingdom.

Payne BA, Medhi M, Ijaz S, Valappil M, Savage EJ, Gill ON, Tedder R, Schwab U.

Emerg Infect Dis. 2013 Feb;19(2):333-5. No abstract available.


The geographic relationship between sexual health deprivation and the Index of Multiple Deprivation 2010: a comparison of two indices.

Yin Z, Conti S, Desai S, Stafford M, Slater W, Gill ON, Simms I.

Sex Health. 2013 May;10(2):102-11. doi: 10.1071/SH12057.


Non-disclosure of HIV status in UK sexual health clinics--a pilot study to identify non-disclosure within a national unlinked anonymous seroprevalence survey.

Sullivan AK, Savage EJ, Lowndes CM, Paul G, Murphy G, Carne S, Back DJ, Gill ON.

Sex Transm Infect. 2013 Mar;89(2):120-1. doi: 10.1136/sextrans-2012-050801. Epub 2013 Feb 13.


HIV incidence in men who have sex with men in England and Wales 2001-10: a nationwide population study.

Birrell PJ, Gill ON, Delpech VC, Brown AE, Desai S, Chadborn TR, Rice BD, De Angelis D.

Lancet Infect Dis. 2013 Apr;13(4):313-8. doi: 10.1016/S1473-3099(12)70341-9. Epub 2013 Feb 1.


Audit of HIV testing frequency and behavioural interventions for men who have sex with men: policy and practice in sexual health clinics in England.

Desai M, Desai S, Sullivan AK, Mohabeer M, Mercey D, Kingston MA, Thng C, McCormack S, Gill ON, Nardone A; GUMNet.

Sex Transm Infect. 2013 Aug;89(5):404-8. doi: 10.1136/sextrans-2012-050679. Epub 2013 Jan 7.


Opportunistic or population register based programmes for chlamydia screening?

Bone A, Soldan K, Woodhall S, Clarke J, Gill ON.

BMJ. 2012 Sep 4;345:e5887. doi: 10.1136/bmj.e5887. No abstract available.


Repeat genital Chlamydia trachomatis testing rates in young adults in England, 2010.

Woodhall SC, Atkins JL, Soldan K, Hughes G, Bone A, Gill ON.

Sex Transm Infect. 2013 Feb;89(1):51-6. doi: 10.1136/sextrans-2012-050490. Epub 2012 Sep 1.


Prevalence of human papillomavirus (HPV) infections in sexually active adolescents and young women in England, prior to widespread HPV immunisation.

Howell-Jones R, de Silva N, Akpan M, Oakeshott P, Carder C, Coupland L, Sillis M, Mallinson H, Ellis V, Frodsham D, Robinson TI, Gill ON, Beddows S, Soldan K.

Vaccine. 2012 Jun 6;30(26):3867-75. doi: 10.1016/j.vaccine.2012.04.006. Epub 2012 Apr 16.


A synthesis of convenience survey and other data to estimate undiagnosed HIV infection among men who have sex with men in England and Wales.

Walker K, Seaman SR, De Angelis D, Presanis AM, Dodds JP, Johnson AM, Mercey D, Gill ON, Copas AJ.

Int J Epidemiol. 2011 Oct;40(5):1358-66. doi: 10.1093/ije/dyr125. Epub 2011 Sep 5.


Bayesian evidence synthesis for a transmission dynamic model for HIV among men who have sex with men.

Presanis AM, De Angelis D, Goubar A, Gill ON, Ades AE.

Biostatistics. 2011 Oct;12(4):666-81. doi: 10.1093/biostatistics/kxr006. Epub 2011 Apr 27.


The risk of variant Creutzfeldt-Jakob disease among UK patients with bleeding disorders, known to have received potentially contaminated plasma products.

Zaman SM, Hill FG, Palmer B, Millar CM, Bone A, Molesworth AM, Connor N, Lee CA, Dolan G, Wilde JT, Gill ON, Makris M.

Haemophilia. 2011 Nov;17(6):931-7. doi: 10.1111/j.1365-2516.2011.02508.x. Epub 2011 Feb 23.


Prevalence of markers for HIV, hepatitis B and hepatitis C infection in UK military recruits.

Brown AE, Ross DA, Simpson AJ, Erskine RS, Murphy G, Parry JV, Gill ON.

Epidemiol Infect. 2011 Aug;139(8):1166-71. doi: 10.1017/S0950268810002712. Epub 2011 Jan 6.


Insights into the rise in HIV infections, 2001 to 2008: a Bayesian synthesis of prevalence evidence.

Presanis AM, Gill ON, Chadborn TR, Hill C, Hope V, Logan L, Rice BD, Delpech VC, Ades AE, De Angelis D.

AIDS. 2010 Nov 27;24(18):2849-58. doi: 10.1097/QAD.0b013e32834021ed.


Large-scale immunohistochemical examination for lymphoreticular prion protein in tonsil specimens collected in Britain.

de Marco MF, Linehan J, Gill ON, Clewley JP, Brandner S.

J Pathol. 2010 Dec;222(4):380-7. doi: 10.1002/path.2767.


Human papillomavirus vaccine coverage.

Desai S, Soldan K, White J, Sheridan A, Gill ON.

Lancet. 2010 Jul 31;376(9738):328-9; author reply 330. doi: 10.1016/S0140-6736(10)61179-8. No abstract available.


Determinants of HIV-1 transmission in men who have sex with men: a combined clinical, epidemiological and phylogenetic approach.

Fisher M, Pao D, Brown AE, Sudarshi D, Gill ON, Cane P, Buckton AJ, Parry JV, Johnson AM, Sabin C, Pillay D.

AIDS. 2010 Jul 17;24(11):1739-47. doi: 10.1097/QAD.0b013e32833ac9e6.


Epidemiology of herpes simplex virus types 2 and 1 amongst men who have sex with men attending sexual health clinics in England and Wales: implications for HIV prevention and management.

Hill C, McKinney E, Lowndes CM, Munro H, Murphy G, Parry JV, Gill ON; GUM Anon Network.

Euro Surveill. 2009 Nov 26;14(47). pii: 19418.


Monitoring the emergence of community transmission of influenza A/H1N1 2009 in England: a cross sectional opportunistic survey of self sampled telephone callers to NHS Direct.

Elliot AJ, Powers C, Thornton A, Obi C, Hill C, Simms I, Waight P, Maguire H, Foord D, Povey E, Wreghitt T, Goddard N, Ellis J, Bermingham A, Sebastianpillai P, Lackenby A, Zambon M, Brown D, Smith GE, Gill ON.

BMJ. 2009 Aug 27;339:b3403. doi: 10.1136/bmj.b3403.


HIV testing in the UK.

Chadborn T, Delpech V, Evans B, Gill ON.

Lancet. 2009 Aug 1;374(9687):376-7. doi: 10.1016/S0140-6736(09)61407-0. No abstract available.


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