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SimpactCyan 1.0: An Open-source Simulator for Individual-Based Models in HIV Epidemiology with R and Python Interfaces.

Liesenborgs J, Hendrickx DM, Kuylen E, Niyukuri D, Hens N, Delva W.

Sci Rep. 2019 Dec 17;9(1):19289. doi: 10.1038/s41598-019-55689-4.


Drivers of vaccine decision-making in South Africa: A discrete choice experiment.

Verelst F, Kessels R, Delva W, Beutels P, Willem L.

Vaccine. 2019 Apr 3;37(15):2079-2089. doi: 10.1016/j.vaccine.2019.02.056. Epub 2019 Mar 8.


It's the network, stupid: a population's sexual network connectivity determines its STI prevalence.

Kenyon CR, Delva W.

Version 2. F1000Res. 2018 Dec 2 [revised 2019 Jan 1];7:1880. doi: 10.12688/f1000research.17148.2. eCollection 2018.


Feasibility, acceptability and potential sustainability of a 'diagonal' approach to health services for female sex workers in Mozambique.

Lafort Y, Ismael de Melo MS, Lessitala F, Griffin S, Chersich M, Delva W.

BMC Health Serv Res. 2018 Oct 3;18(1):752. doi: 10.1186/s12913-018-3555-2.


The role of age-mixing patterns in HIV transmission dynamics: Novel hypotheses from a field study in Cape Town, South Africa.

Beauclair R, Hens N, Delva W.

Epidemics. 2018 Dec;25:61-71. doi: 10.1016/j.epidem.2018.05.006. Epub 2018 May 18.


Effect of a 'diagonal' intervention on uptake of HIV and reproductive health services by female sex workers in three sub-Saharan African cities.

Lafort Y, Greener L, Lessitala F, Chabeda S, Greener R, Beksinska M, Gichangi P, Griffin S, Smit JA, Chersich M, Delva W.

Trop Med Int Health. 2018 Jul;23(7):774-784. doi: 10.1111/tmi.13072. Epub 2018 May 25.


Impact of a "Diagonal" Intervention on Uptake of Sexual and Reproductive Health Services by Female Sex Workers in Mozambique: A Mixed-Methods Implementation Study.

Lafort Y, Lessitala F, Ismael de Melo MS, Griffin S, Chersich M, Delva W.

Front Public Health. 2018 Apr 18;6:109. doi: 10.3389/fpubh.2018.00109. eCollection 2018.


Impact of early initiation versus national standard of care of antiretroviral therapy in Swaziland's public sector health system: study protocol for a stepped-wedge randomized trial.

Walsh FJ, Bärnighausen T, Delva W, Fleming Y, Khumalo G, Lejeune CL, Mazibuko S, Mlambo CK, Reis R, Spiegelman D, Zwane M, Okello V.

Trials. 2017 Aug 18;18(1):383. doi: 10.1186/s13063-017-2128-8.


The transcontinental scientist.

Delva W.

Science. 2017 Jan 20;355(6322):318. doi: 10.1126/science.355.6322.318. No abstract available.


Sexual and reproductive health services utilization by female sex workers is context-specific: results from a cross-sectional survey in India, Kenya, Mozambique and South Africa.

Lafort Y, Greener R, Roy A, Greener L, Ombidi W, Lessitala F, Skordis-Worrall J, Beksinska M, Gichangi P, Reza-Paul S, Smit JA, Chersich M, Delva W.

Reprod Health. 2017 Jan 19;14(1):13. doi: 10.1186/s12978-017-0277-6.


Age differences between sexual partners, behavioural and demographic correlates, and HIV infection on Likoma Island, Malawi.

Beauclair R, Helleringer S, Hens N, Delva W.

Sci Rep. 2016 Nov 2;6:36121. doi: 10.1038/srep36121.


Beyond Risk Compensation: Clusters of Antiretroviral Treatment (ART) Users in Sexual Networks Can Modify the Impact of ART on HIV Incidence.

Delva W, Helleringer S.

PLoS One. 2016 Sep 22;11(9):e0163159. doi: 10.1371/journal.pone.0163159. eCollection 2016.


Where Do Female Sex Workers Seek HIV and Reproductive Health Care and What Motivates These Choices? A Survey in 4 Cities in India, Kenya, Mozambique and South Africa.

Lafort Y, Greener R, Roy A, Greener L, Ombidi W, Lessitala F, Haghparast-Bidgoli H, Beksinska M, Gichangi P, Reza-Paul S, Smit JA, Chersich M, Delva W.

PLoS One. 2016 Aug 5;11(8):e0160730. doi: 10.1371/journal.pone.0160730. eCollection 2016.


HIV prevention and care-seeking behaviour among female sex workers in four cities in India, Kenya, Mozambique and South Africa.

Lafort Y, Greener R, Roy A, Greener L, Ombidi W, Lessitala F, Haghparast-Bidgoli H, Beksinska M, Gichangi P, Reza-Paul S, Smit JA, Chersich M, Delva W.

Trop Med Int Health. 2016 Oct;21(10):1293-1303. doi: 10.1111/tmi.12761. Epub 2016 Aug 23.


Are HIV and reproductive health services adapted to the needs of female sex workers? Results of a policy and situational analysis in Tete, Mozambique.

Lafort Y, Jocitala O, Candrinho B, Greener L, Beksinska M, Smit JA, Chersich M, Delva W.

BMC Health Serv Res. 2016 Jul 26;16:301. doi: 10.1186/s12913-016-1551-y.


Barriers to HIV and sexual and reproductive health care for female sex workers in Tete, Mozambique: results from a cross-sectional survey and focus group discussions.

Lafort Y, Lessitala F, Candrinho B, Greener L, Greener R, Beksinska M, Smit JA, Chersich M, Delva W.

BMC Public Health. 2016 Jul 20;16:608. doi: 10.1186/s12889-016-3305-5.


Connecting the dots: network data and models in HIV epidemiology.

Delva W, Leventhal GE, Helleringer S.

AIDS. 2016 Aug 24;30(13):2009-20. doi: 10.1097/QAD.0000000000001184. Review.


The effect of sexually transmitted co-infections on HIV viral load amongst individuals on antiretroviral therapy: a systematic review and meta-analysis.

Champredon D, Bellan SE, Delva W, Hunt S, Shi CF, Smieja M, Dushoff J.

BMC Infect Dis. 2015 Jun 30;15:249. doi: 10.1186/s12879-015-0961-5. Review.


Concurrent partnerships in Cape Town, South Africa: race and sex differences in prevalence and duration of overlap.

Beauclair R, Hens N, Delva W.

J Int AIDS Soc. 2015 Feb 18;18:19372. doi: 10.7448/IAS.18.1.19372. eCollection 2015.


Community v. non-community assault among adults in Khayelitsha, Western Cape, South Africa: a case count and comparison of injury severity.

Forgus S, Delva W, Hauptfleisch C, Govender S, Blitz J.

S Afr Med J. 2014 Apr;104(4):299-301.


The HIV epidemic in Southern Africa - Is an AIDS-free generation possible?

Delva W, Abdool Karim Q.

Curr HIV/AIDS Rep. 2014 Jun;11(2):99-108. doi: 10.1007/s11904-014-0205-0. Review.


Is younger really safer? A qualitative study of perceived risks and benefits of age-disparate relationships among women in Cape Town, South Africa.

Beauclair R, Delva W.

PLoS One. 2013 Nov 15;8(11):e81748. doi: 10.1371/journal.pone.0081748. eCollection 2013.


When to start ART in Africa--primarily guided by RCTs or patient autonomy?

Delva W, Fleming Y, Chingandu L.

J Int AIDS Soc. 2013 Jul 12;16:18756. doi: 10.7448/IAS.16.1.18756. No abstract available.


Coital frequency and condom use in monogamous and concurrent sexual relationships in Cape Town, South Africa.

Delva W, Meng F, Beauclair R, Deprez N, Temmerman M, Welte A, Hens N.

J Int AIDS Soc. 2013 Apr 24;16:18034. doi: 10.7448/IAS.16.1.18034.


Challenges with using estimates when calculating ART need among adults in South Africa.

Gerritsen AA, Mitchell JS, Johnson SM, Delva W.

S Afr Med J. 2012 Aug 24;102(10):798-9. doi: 10.7196/samj.5946.


A general HIV incidence inference scheme based on likelihood of individual level data and a population renewal equation.

Mahiane GS, Ouifki R, Brand H, Delva W, Welte A.

PLoS One. 2012;7(9):e44377. doi: 10.1371/journal.pone.0044377. Epub 2012 Sep 12.


Effectiveness of a peer-led HIV prevention intervention in secondary schools in Rwanda: results from a non-randomized controlled trial.

Michielsen K, Beauclair R, Delva W, Roelens K, Van Rossem R, Temmerman M.

BMC Public Health. 2012 Sep 1;12:729. doi: 10.1186/1471-2458-12-729.


Promoting contraceptive use among female rural-to-urban migrants in Qingdao, China: a comparative impact study of worksite-based interventions.

Decat P, Zhang WH, Delva W, Moyer E, Cheng Y, Wang ZJ, Lu CY, Wu SZ, Nadisauskiene RJ, Temmerman M, Degomme O.

Eur J Contracept Reprod Health Care. 2012 Oct;17(5):363-72. doi: 10.3109/13625187.2012.696752. Epub 2012 Jul 30.


HIV treatment as prevention: optimising the impact of expanded HIV treatment programmes.

Delva W, Eaton JW, Meng F, Fraser C, White RG, Vickerman P, Boily MC, Hallett TB.

PLoS Med. 2012;9(7):e1001258. doi: 10.1371/journal.pmed.1001258. Epub 2012 Jul 10. Review.


HIV treatment as prevention: principles of good HIV epidemiology modelling for public health decision-making in all modes of prevention and evaluation.

Delva W, Wilson DP, Abu-Raddad L, Gorgens M, Wilson D, Hallett TB, Welte A.

PLoS Med. 2012;9(7):e1001239. doi: 10.1371/journal.pmed.1001239. Epub 2012 Jul 10.


Age-disparate relationships and implications for STI transmission among young adults in Cape Town, South Africa.

Beauclair R, Kassanjee R, Temmerman M, Welte A, Delva W.

Eur J Contracept Reprod Health Care. 2012 Feb;17(1):30-9. doi: 10.3109/13625187.2011.644841.


Sex work during the 2010 FIFA World Cup: results from a three-wave cross-sectional survey.

Delva W, Richter M, De Koker P, Chersich M, Temmerman M.

PLoS One. 2011;6(12):e28363. doi: 10.1371/journal.pone.0028363. Epub 2011 Dec 7.


Treatment as prevention: preparing the way.

Williams B, Wood R, Dukay V, Delva W, Ginsburg D, Hargrove J, Stander M, Sheneberger R, Montaner J, Welte A.

J Int AIDS Soc. 2011 Jul 6;14 Suppl 1:S6. doi: 10.1186/1758-2652-14-S1-S6.


How different are the costs and consequences of delayed versus immediate HIV treatment?

Welte A, Hargrove J, Delva W, Williams B, Stander T.

S Afr Med J. 2011 May 25;101(6):377-8, 380. No abstract available.


Age-disparity, sexual connectedness and HIV infection in disadvantaged communities around Cape Town, South Africa: a study protocol.

Delva W, Beauclair R, Welte A, Vansteelandt S, Hens N, Aerts M, du Toit E, Beyers N, Temmerman M.

BMC Public Health. 2011 Aug 2;11:616. doi: 10.1186/1471-2458-11-616.


Treatment-centred prevention: an integrated biomedical and social approach to HIV prevention.

Delva W, Verguet S, Hargrove J, Williams B, Sheneberger R, Stander T, Welte A.

AIDS. 2011 Jul 17;25(11):1435-7; author reply 1435. doi: 10.1097/QAD.0b013e3283488503. No abstract available.


HIV prevention through sport: the case of the Mathare Youth Sport Association in Kenya.

Delva W, Michielsen K, Meulders B, Groeninck S, Wasonga E, Ajwang P, Temmerman M, Vanreusel B.

AIDS Care. 2010 Aug;22(8):1012-20. doi: 10.1080/09540121003758606.


Barriers to VCT despite 13 years of community-based awareness campaigns in a peri-urban township in northern Limpopo.

De Koker P, Lefèvre P, Matthys F, van der Stuyft P, Delva W.

S Afr Med J. 2010 Jun 1;100(6):364-5. No abstract available.


Reproductive health services for populations at high risk of HIV: Performance of a night clinic in Tete province, Mozambique.

Lafort Y, Geelhoed D, Cumba L, Lázaro Cd, Delva W, Luchters S, Temmerman M.

BMC Health Serv Res. 2010 May 28;10:144. doi: 10.1186/1472-6963-10-144.


A Safe Motherhood project in Kenya: assessment of antenatal attendance, service provision and implications for PMTCT.

Delva W, Yard E, Luchters S, Chersich MF, Muigai E, Oyier V, Temmerman M.

Trop Med Int Health. 2010 May;15(5):584-91. doi: 10.1111/j.1365-3156.2010.02499.x. Epub 2010 Mar 10.


Association of HIV infection with distribution and viral load of HPV types in Kenya: a survey with 820 female sex workers.

Luchters SM, Vanden Broeck D, Chersich MF, Nel A, Delva W, Mandaliya K, Depuydt CE, Claeys P, Bogers JP, Temmerman M.

BMC Infect Dis. 2010 Jan 26;10:18. doi: 10.1186/1471-2334-10-18.


Is scaling up enough to curb the HIV epidemic in southern Africa?

Delva W, Pretorius C, Temmerman M.

S Afr Med J. 2009 Sep;99(9):638-9. No abstract available.


Psychological well-being and socio-economic hardship among AIDS orphans and other vulnerable children in Guinea.

Delva W, Vercoutere A, Loua C, Lamah J, Vansteelandt S, De Koker P, Claeys P, Temmerman M, Annemans L.

AIDS Care. 2009 Dec;21(12):1490-8. doi: 10.1080/09540120902887235.


Gene polymorphisms of Toll-like and related recognition receptors in relation to the vaginal carriage of Gardnerella vaginalis and Atopobium vaginae.

Verstraelen H, Verhelst R, Nuytinck L, Roelens K, De Meester E, De Vos D, Van Thielen M, Rossau R, Delva W, De Backer E, Vaneechoutte M, Temmerman M.

J Reprod Immunol. 2009 Jan;79(2):163-73. doi: 10.1016/j.jri.2008.10.006. Epub 2009 Feb 6.


HIV testing and sexually transmitted infection care among sexually active youth in the Balkans.

Delva W, Wuillaume F, Vansteelandt S, Claeys P, Verstraelen H, Broeck DV, Temmerman M.

AIDS Patient Care STDS. 2008 Oct;22(10):817-21. doi: 10.1089/apc.2007.0237.


Prevalence of sexually transmitted infections in women attending antenatal care in Tete province, Mozambique.

Luján J, de Oñate WA, Delva W, Claeys P, Sambola F, Temmerman M, Fernando J, Folgosa E.

S Afr Med J. 2008 Jan;98(1):49-51.


Sexual behaviour and contraceptive use among youth in the Balkans.

Delva W, Wuillaume F, Vansteelandt S, Claeys P, Verstraelen H, Temmerman M.

Eur J Contracept Reprod Health Care. 2007 Dec;12(4):309-16.


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