Prof. Kwasi Torpey


Public Health Physician, HIV Clinician, HIV Technical Expert, Program Manager, Researcher, Lecturer and Trainer with extensive experience in implementation of HIV Prevention Care and Treatment, Tuberculosis, Malaria and Non-Communicable Disease programs in Ghana, Nigeria, Kenya, Uganda, Ethiopia, Eritrea, Tanzania, Mozambique and Zambia as well as working with United States Agency for International Development, Centre for Disease Control and Prevention, Department for International Development (UK), World Bank, Global Fund, Ministry of Health and UN donor funded Projects. Originated key technical concepts for Adherence Support Workers, Outreach Model, Sample Referral Strategy and facility graduation.
Strong and proven skills in implementing high quality public health programs in resource limited settings. Demonstrated innovation in designing programs to address local needs and challenges.  Motivator, with strong interpersonal skills and able to work in a multicultural setting.


2007 to 2009 Institute of Tropical Medicine/University of Antwerp, Belgium
2003-2003 Institute of Tropical Medicine, Antwerp, Belgium
2002-2002   Mildmay International Study Centre, Kampala, Uganda
1997-1998   Netherlands School of Public Health, Utrecht. Erasmus University   Medical School, Rotterdam, The Netherlands
1989-1996 University of Ghana Medical School, Ghana
1981-1988       St. Augustine’s College, Cape Coast, Ghana

Research Interest

HIV prevention, care and treatment, infectious diseases, non-communicable diseases, family and reproductive health.
Current Research Projects
• Investigator, Integrated Bio-behavioural Surveillance Survey 2019 – School of Public Health- Noguchi Consortium.
• Principal Investigator, Validation of Clinical Prediction Score for HIV-Hepatitis C coinfected patients.
• Principal Investigator, World Health Organization-Long Term Institutional Development HUB Grant 
• Principal Investigator, Evaluation of Strengthening Continuum of Care Project for Key Populations.

Courses taught
o Bachelor of Public Health course GSPH 411 (Problems of Infants and Children)
o Master of Public Health (Regular, Weekend, Sandwich stream) PFRH 602 (Introduction to Family Health)
o PFRH 634-Population, Health and Survival.
o MSc Public Health Monitoring and Evaluation programme MOEV612 HIV Monitoring and Evaluation
o PhD –  Evidence Based Population and Reproductive Health Programs PFRH 706

Peer Reviewed Publications

1. Agumasie Semahegn, Kwasi Torpey, Abubakar Manu, Nega Assefa, Augustine Ankomah. Adapted tool for analysis of domestic violence in low income country setting: a reliability analysis. International Journal of Women’s Health 2019:11;65-73
2. John K Ganle, Musah S Mahama, Ernest Maya, Abubakar Manu, Kwasi Torpey, Richard Adanu. Understanding factors influencing home delivery in the context of user-fee abolition in Northern Ghana: evidence from 2014 DHS. International Journal of Health Planning and Management 2019; doi 10.10002/hpm.2731
3. Justin Mandala, Prisca Kasonde, Titilope Badru, Rebecca Dirks, Kwasi Torpey. HIV Retesting  of HIV negative pregnant women in the context of prevention of mother to child transmission of HIV in primary health centers in rural Zambia: What did we learn?.  Journal of the International Association of Providers of AIDS Care 2019. Vol 18;1-6 doi 10.1177
4. George Eluwa, Sylvia Adebajo, Kwasi Torpey, Oladapo Shittu, Shittu Abdu-Aguye, Daniel Perlman et al. Effects of pregnancy centering on maternal and foetal outcomes in Northern Nigeria; A prospective cohort analysis. BMC Pregnancy and Childbirth 2018; 18:158
5. Edward Oladele, Okikiolu Badejo, Christopher Obanubi, Emeka Okechukwu, Ezekiel James, Golden Owhonda, Onuche Omeh, Moyosola Abass, Olubunmi Negedu-Momoh, Norma Ojemohon, Dorothy Oqua, Satish Raj Pandey, Hadiza Khamofu, Kwasi Torpey. Bridging the HIV treatment gap in Nigeria: Examining community antiretroviral treatment models. Journal of International AIDS Society 2018, 21:e25108
6. Ruth Nyarko, Kwasi Torpey, Augustine Ankomah. Schistosoma haematobium, Plasmodium falciparum infection and anaemia in children in Accra, Ghana. Tropical Diseases, Travel Medicine and Vaccines 2018; 4:3 doi:10.1186/s40794-018-0063-7
7.  Semahegn A, Torpey K, Manu A, Assefa N, Tesfaye G, Ankomah A. Psychotropic medication non-adherence and associated factors among adult patients with major psychiatric disorders: A protocol for systematic review. Systematic Review 2018 Jan 22; 7(1):10.1186/s13643-018-0676-y

8. Agumasie Semahegn, Kwasi Torpey, Abubakar Manu, Nega Assefa, Augustine Ankomah. Community based intervention to prevent violence against women in northwestern  Ethiopia: A protocol for quasi-experimental study. Reproductive Health 2017:14;155 doi: 10.1186/s12978-017-0414-2
9. Sharon Tsui, Julie A Dennison, Caitlin E. Kennedy, Larry W. Chang, Olivier Koole, Kwasi Torpey et al. Identifying models of HIV care and treatment service delivery in Tanzania, Uganda and Zambia using cluster analysis. BMC Health Services Research 201717:811 doi: 10.1186/s1293-017-2772-4
10. Achwoka D, Mandala J, Muriithi M, Zeng Yanwu, Chen M, Dirks R, Sirengo M, Wafula R, Torpey K. Progress Towards Elimination of Perinatal HIV transmission in Kenya; Analysis of early infant diagnosis data. International Journal of STDs and AIDS 2017 doi 10.1177/0956462417724015
11. Auld A et al(co-author).  Trends in Prevalence of Advanced HIV disease at Antiretroviral Therapy Enrolment- 10 countries 2004-2015. MMWR 66(21);558-563. June 2, 2017
12. Olubunmi Ruth Negedu-Momoh, Feyisayo Ebenezer Jegede, Ali Yakubu, Oluseyi Balogun, Musa Abdullahi, Titilope Badru, Edward Adekola Oladele, Chinedu Agbakwuru, Hadiza Khamofu, Kwasi Torpey. Performance Evaluation of BD FASCPresto point of care CD4 analyzer to enumerate CD4 counts for monitoring HIV infected individuals in Nigeria. PLoS One 2017  12(5) e0178037. Doi.10.1371/journal.pone/0178037 (25th May, 2017)

13. Edward Oladele, Hadiza Khamofu, Seun Asala, Mariya Saleh, Uche Ralph-Opara, Charles Nwosisi, Chukwuma Anyaike, Catherine Gana, Oluwasanmi Adedokun, Rebecca Dirks, Olufunso Adebayo, Modupe Oluwole, Justin Mandala, Kwasi Torpey. Playing the        up game: Accelerating the scale up of PMTCT services to eliminate new pediatric infection in Nigeria. PLoS One 2017  12(1) e0169342. Doi.10.1371/journal.pone/0169342 (3rd January, 2017)
14. Ogochukwu Ibe, Enyi Etiaba, Obinna Onwujekwe, Robert Chiegil, Benjamin Uzochukwu, Kwasi Torpey. Patterns of Service Use and Payment Methods for the Treatment of HIV/AIDS In Nigeria: A Comparison of Evidence from Household Interview and Exit Survey. African Journal of Health Economics 2017Vol 6(1) 1-6.

15. Enyi Etiaba, Obinna Onwujekwe, Kwasi Torpey, Benjamin Uzochukwu, Robert Chiegil. What is the economic burden of subsidized HIV/AIDS treatment services on patients in Nigeria and is this burden catastrophic to households? PLoS One 2016 11(12); e0167117. doi.10.1371/journal.pone/0167117 (2nd December, 2016)

16. Chukuemeka Anoje, Kenneth Agu, Edward Oladele, Titilope Badru, Oluwasanmi Adedokun, Dorothy Oqua, Hadiza Khamofu, Olufunso Adebayo,  Kwasi Torpey,  Otto Nzapfurundi Chabikuli. Adherence to on-time ART drug pick-up and its association with CD4 changes and clinical outcomes amongst HIV infected adults on first- line antiretroviral therapy in Nigerian hospitals. AIDS and Behaviour , July 2016. Doi 10.1007/s10461/016-1473-z
17. Hadiza Khamofu, Edward Oladele, Uche Ralph-Opara, Titi Badru, Oluwasanmi Adedokun, Mariya Saleh, McPaul Okoye, Olufunso Adebayo, Kwasi Torpey. Decline in HIV positivity rates among HIV exposed infants with changes in prevention of mother to child transmission antiretroviral regimen in Nigeria: Evidence from 7 years of field implementation. Journal of HIV and Human Reproduction 2015; 3:34-40

18. Echezona Ezeanolue, Byron Powell, Dina Patel, Ayodotun Olutola, Michael Obiefune, Patrick Dakum, Prosper Okonkwo, Bola Gobir, Timothy Akinmurele, Anthea Nwandu, Kwasi Torpey et al. Identifying and Prioritizing Implementation Barriers, Gaps and Strategies Through the Nigeria Implementation Science Alliance: Getting to Zero in the Implementation of Prevention of Mother to Child Transmission of HIV. J Acquir Immune Def Synd 2016;72:S161-166.
19. Catherine Gana, Edward Oladele, Mariya Saleh, Osagbemi Makanjuola, Diana Gimba, Doreen Magaji, Temitayo Odusote, Hadiza Khamofu, Kwasi Torpey.  Challenges faced by care givers of vulnerable children in Cross River State and Abuja Federal Capital Territory,  Nigeria. Vulnerable Children and Youth Studies 11;24-32. doi 10.1080/17450128.2016. 1151094.  Published online 3rd March, 2016
20. Obinna Onwujekwe, Ogochukwu Ibe, Kwasi Torpey et al. Examining geographic and socioeconomic differences in outpatient and inpatient consumer expenditures for treating HIV/AIDS in Nigeria. Journal of International AID Society 2016;9:20588
21. Olivier Koole, Julie Denison, Joris Menten, Sharon Tsui, Fred Wabwire-Mangen, Gideon Kwesigabo, Modest Mulenga, Andrew Auld, Simon Agolory, Ya Diul Mukadi, Eric van Praag, Kwasi Torpey et al. Reasons for Missing Antiretroviral Therapy: results from a multi-country study in Tanzania, Uganda and Zambia. PLoS One 2016 11(1); e0147309. doi.10.1371/journal.pone/0147309

22. Andrew F. Auld, Ray W. Shiraishi; Francisco Mbofana; Aleny Couto; Ernest Benny Fetogang; Shenaaz El-Halabi; Refeletswe Lebelonyane; Pilatwe Tlhagiso Pilatwe; Ndapewa Hamunime; Velephi Okello; Tsitsi Mutasa-Apollo; Owen Mugurungi; Joseph Murungu; Janet Dzangare; Gideon Kwesigabo; Fred Wabwire-Mangen; Modest Mulenga; Sebastian Hachizovu; Virginie Ettiegne-Traore; Fayama Mohamed; Adebobola Bashorun; Do Thi Nhan; Nguyen Thanh Long; Nguyen Huu Hai; Tran Huu Quang; Joelle Deas Van Onacker; Kesner Francois; Ermane G. Robin, MD16; Gracia Desforges; Mansour Farahani; Harrison Kamiru; Harriet Nuwagaba-Biribonwoha; Peter Ehrenkranz; Julie A. Denison; Olivier Koole; Sharon Tsui; Kwasi Torpey et al.; Lower levels of antiretroviral therapy enrollment among men with HIV compared with women. 12 countries, 2002-13.  Morbidity and Mortality Weekly Report. Vol 64. No.46: 1282-1286. Nov 27, 2015

23. Simpson Tumwikirize, Kwasi Torpey, Oluwasanmi Adedokun, Titilope Badru. The Value of Support Group Participation in Influencing Adherence to Antiretroviral Therapy among Persons Living with Human Immunodeficiency Virus.  World Journal of AIDS 2015;5: 189-98
24. Obinna Onwujekwe, Ifeanyi Chikezie, Chinyere Mbachu, Robert Chiegil, Kwasi Torpey, Benjamin Uzochukwu. Investigating client perception and attitude to decentralization of HIV/AIDS Services to primary health centres in three Nigerian states. Health Expectation 2015;doi:10.1111/hex12403
25. Kate Mitchell, Aurelia Lepine, Fern Terris-Prestholt, Kwasi Torpey, Hadiza Khamofu, Morenike Folayan et al. Modelling the impact and cost-effectiveness of combination prevention amongst HIV serodiscordant couples in Nigeria. AIDS 2015 Sep 24; 29(15):2035-44. doi: 10.1097
26. Jegede FE, Mbah HA, Aminu M, Yakubu TN, Torpey K. Evaluation of Laboratory Performance with Quality Indicators in Infectious Disease Hospital, Kano, Nigeria. Open Journal of Clinical Diagnostics 2015;5;1-9
27. Henry Mbah, Emmanuel Ojo, James Ameh, Humphrey Musuluma, Olubunmi Ruth Negedu-Momoh, Feyisayo Jegede, Olufunmilayo Ojo, Nkem Uwakwe, Kingsley Ochei, Michael Dada, Donald Udah, Robert Chiegil, Kwasi Torpey. Piloting Laboratory Quality Systems Management in 6 facilities in Nigeria. PLOS One 9(12): e116185. doi 10.1371/journal.pone.0116185. December 26, 2014
28. Andrew Auld, Simon Agolory, Ray Shiraishi, Fred Wabwire-Mangen, Gideon Kwesigabo, Modest Mulenga, Sebastian Hachizovu, Emeka Asadu, Moise Zanga Tuho, Virginie Ettiegne-Traore, Francisco Mbofana, Velephi Okello, Charles Azih, Julie Denison, Sharon Tsui, Olivier Koole, Harrison Kamiru, Harriet Nuwagaba-Biribonwoha, Charity Alfredo, Kebba Jobarteh, Solomon Odafe, Dennis Onotu, Kunomboa Ekra, Joseph Kouakou,peter Ehrenkrantz, George Bicego, Kwasi Torpey, Ya Diul Mukadi, Eric van Praag, et al. Antiretroviral therapy Enrolment Characteristics and Outcomes among HIV infected Adolescents and Young Adults  compared with Older Adults- Seven African Countries 2004-2013. Morbidity and Mortality Weekly Report. Vol 63. No.47: 1097-1103. Nov 28, 2014

29. Julie Denison, Olivier Koole, Sharon Tsui, Joris Menten, Kwasi Torpey, Eric van Praag et al. Incomplete Adherence among treatment experienced adults on antiretroviral therapy in Tanzania, Uganda and Zambia. AIDS 2015; Vol 29: Issue 3 page 361-371
30. Feyisayo Jegede, Henry Mbah, Timothy Yakubu, Oluwasanmi Adedokun, Olubunmi Negedu-Momoh, Kwasi Torpey. Laboratory Quality Audit in 25 Antiretroviral Therapy facilities in North West of Nigeria. Open Journal of Clinical Diagnostics 2014:4:193-204
31. Koole O, Tsui S, Wabwire-Mangen F, Kwesigabo G, Menten J, Mulenga M, Auld A, Agolory S, Mukadi YD, Colebunders R, Bangsberg D, van Praag E, Torpey K, Seymour W, Kaplan J, Zee A, Denison J. Retention and Risk factors for Attrition Among Adults in Antiretroviral Treatment Program in Tanzania, Uganda and Zambia. Tropical Medicine and International Health 2014 Dec 17;19(12) 1397-410
32. Henry Mbah, Olubunmi Negedu-Momoh, Oluwasanmi Adedokun, Patrick Ikani, Oluseyi Balogun, Olusola Sanwo, Kingsley Ochei, Maurice Ekanem, Kwasi Torpey. Implementing and measuring the level of laboratory service integration in a program setting.   PLoS ONE 9(9): e 107277 doi: doi:10.1371/journal.pone.0107277  11th September,2014

33. Ebenezer Feyisayo Jegede, Esther Tinuade Ibojike Oyeyi, Armayau Hamisu Bichi, Henry Akwen Mbah, Kwasi Torpey. Prevalence of Intestinal Parasites among HIV patients attending Infectious Disease Hospital, Kano, Nigeria. Pan African Medical Journal 2014, 18th April (doi: 10.11604/pamj.2014.17.295.3707)
34. Virginie Ettigne-Traore, Moise Zanga Tuho, Charles Azih, Francisco Mbofana, Modest Mulenga, Fred Wabwire-Mangen, Gideon Kwesigabo, Joseph Essombo, Harrison Kamiru, Harriet Nuwagaba-Biribonwoha, Kwasi Torpey, Ya Diul Mukadi, Eric van Praag, Olivier Koole,  Joris Menten, Robert Colebunders, Lisa J Nelson, Julie Denison, Georgette Adjorlolo-Johnson, Julie Denison, Sharon Tsui, Carol Dukes Hamilton, Timothy Mastro, David Bangsberg, et al. Difference in Antiretroviral therapy outcomes among HIV infected men compared with women- Six African countries 2004-2010. Morbidity and Mortality Weekly Report. Vol 62. No.47: 945-952. Nov 29, 2013

35. Grace Mwai, Gitau Mburu, Kwasi Torpey, Peter Frost, Nathan Ford, Janet Seeley. Role and Impact of community health workers on HIV care in sub-Saharan Africa: A systematic review. Journal of International AIDS Society(JIAS) 2013: 16;18586 (10th Sept 2013)
36. Ameh James, Shuaibu Uba Abba, Aminu Ibrahim, Henry Mbah, Humphrey Musuluma, Kingsley Ochei, Saffiatou Darboe and Kwasi Torpey. Improving the case detection of pulmonary tuberculosis by bleach microscopy method in the North West of Nigeria. Journal of Medical Laboratory and Diagnosis 2013 Vol.4(3) pg 34-37 (doi: 10.5897/JMLD2013-0066)
37. Catherine Gana, Edward Oladele, Chukuemeka Anoje, Mariya Saleh, Philomena Irene, Hadiza Khamofu, Kwasi Torpey, Otto Chabikuli. Targeting orphaned and vulnerable adolescents with services; experience with adopting a multi-sector approach in Nigeria. Vulnerable Children and Youth Studies. doi:10/1080/17450128.2013.802401. Published online 7th June 2013
38. Solomon Odafe,  Kwasi Torpey,  Hadiza Khamofu,  Edward Oladele, Oluwasanmi Adedokun, Otto Chabikuli,  Halima Mukkadas,  Yelwa Usman, Bolatito Aiyeniga, MacPaul Okoye. Integrating Cervical Cancer Screening in HIV Care in a District Hospital in Abuja. Nigeria Medical Journal 2013;54:176-184

39. Agu KA, Issah MA, Oqua D, Habeeb MA, Agada PO, Ohiaeri SI, Ali PN, Iyaji PG, King RC, Aiyenigna B, Torpey K, Chabikuli ON, Wutoh AK. Incidence of Adverse Drug Reactions in patients on Antiretroviral Therapy: A study of Pharmaceutical Care Interventions in Nigeria. West African Journal of Pharmacy (2013) 24 (1) 30-42.
40. Solomon Odafe, Kwasi Torpey, Hadiza Khamofu, Obinna Ogbanufe, Edward Oladele, Oluwatosin Kuti, Oluwasanmi Adedokun,  Titilope Badri, Emeka Okechukwu and Otto Chabikuli. The pattern of attrition from an antiretroviral treatment program in Nigeria. PLOS One 7(12); e51254 doi:10.1371 (13th Dec 2012)
41. Solomon Odafe, Ochanya Idoko, Titilope Badri, Bolatito Aiyenigba, Chiho Suzuki, Hadiza Khamofu, Obinna Onyekwena, Emeka Okechukwu, Kwasi Torpey and Otto Chabikuli.
Patients’ demographic and clinical characteristics and level of care associated with loss to follow up and mortality in adult patients on first line ART in Nigerian Hospitals. Journal of the International AIDS Society (JIAS) 2012; 15:17424
42. Kwasi Torpey, Justin Mandala, Prisca Kasonde et al. Analysis of HIV Early Infant Diagnosis to Estimate Rates of Perinatal HIV Transmission in Zambia. PLOS One 2012 (7):8 doi 10.1371 (17th August 2012)
43.  Aliyu Husaina Bello,  Chuku Nkata, Kola-Jebutu Abimbola, Abubakar Zubaida, Torpey Kwasi, Chabikuli Otto. What is the cost of providing outpatient HIV counseling and testing services and antiretroviral therapy in selected public health facilities in Nigeria. Journal of Acquired Immune Deficiency Synd. 2012;16:221-225
44. Justin Mandala , Moyo Tiwonge , Kwasi Torpey , Mark Weaver, Chiho Suzuki, Rebecca G Dirks, Chika Hayashi. Use of Service Data to Inform Pediatric HIV Free Survival following Prevention of Mother to Child Transmission Programs in Rural Malawi. BMC Public Health 2012;12:405  (6th June, 2012)
45. Anoje C, Aiyenigba B, Suzuki C, Badru T, Akpoigbe K, Odo M, Odafe S, Adedokun O, Torpey K, Chabikuli ON. Reducing Mother to Child Transmission: Findings from an Early Infant Diagnosis program in the South South Region of Nigeria. BMC Public Health 2012;12:184 doi:10:1186 (12th March, 2012)
46. Denison JA, Tsui S, Bratt J, Torpey K, Weaver MA, Kabaso M. Do peer educators make a difference? An evaluation of youth led HIV prevention model in Zambian Schools. Health Education Research 2011, 10th October. doi: 10.1093
47. John Bratt, Kwasi Torpey, Mushota Kabaso, Yebo Gondwe. Cost of HIV/AIDS outpatient services delivered through Zambian Public Health Facilities. Tropical Medicine and International Health 2011;16:110-118
48. Kwasi Torpey, Mushota Kabaso, Mark Weaver, et al. Infant feeding options and other non chemoprophylactic factors and mother to child transmission of HIV in Zambia.  Journal of International Association of Physicians in AIDS Care (JIAPAC) March 23, 2011 doi: 10.1177(Print version Volume 11 Issue 1 February 2012 pp. 26 – 33)

49. Kwasi Torpey, Lona Mwenda, Mushota Kabaso et al. Excluding pregnancy among women who are initiating antiretroviral therapy: efficacy of a family planning job aid.  BMC Public Health 2010; 10:249 doi 10. 1186/1471-2458-10-249 (14th May 2010)
50. Kwasi Torpey, Lona Mwenda, Catherine Thompson, Edgar Wamuwie, Wim van Damme. From project aid to sustainable HIV services: a case study from Zambia.  Journal of International AIDS Society 2010; 13:19 (7th June 2010)

51. Kwasi Torpey, Prisca Kasonde, Mushota Kabaso, et al. Reducing Pediatric Infection: Estimating mother to child transmission rates in a program setting.  Journal of Acquired Immune Def Synd 2010;54:415-22

52. Kwasi Torpey, Prisca Kasonde, Rebecca Dirks et al. Is single dose nevirapine relevant in an era of more efficacious regimen?: Lessons from Zambia. AIDS Care 2010; 22(2): 166-169
53. Kwasi Torpey, Mushota Kabaso, Prisca Kasonde et al.  Increasing the uptake of prevention of mother to child transmission of HIV services in resource limited setting.  BMC Health Services Research, 10:29; 2010 (28thJanuary).
54. Kwasi Torpey, Margaret Lartey, Richard Amenyah et al. Initiating antiretroviral Therapy in Resource Limited Settings: Does Clinical Staging Effectively Identify Patients in Need? International Journal of STDs and AIDS 2009 Jun;(20) 6;395-398
55. Mandala J, Torpey K, Kasonde P et al. Prevention of mother-to-child transmission of HIV in Zambia: implementing efficacious ARV regimens in primary health centers.  BMC Public Health 2009; 9:314 (27th August 2009)
56. Parsa Sanjana, Kwasi Torpey, Alison Schwarzwalder et al. Task shifting of HIV counseling and testing services in Zambia: Role of lay counselors. Human Resources for Health7:44 doi 10.1186/1478-4491-7-44. 30th May 2009
57. Elena Delgado, William Ampofo, Maria Sierra, Kwasi Torpey, Lucia-Perez Alvarez, Evelyn Ugly-Kwame, M Thomson et al. High Prevalence of HIV-1 Unique Recombinant Forms (URFs) in Ghana: Molecular Epidemiology from an antiretroviral resistance study. Journal of Acquired Immune Def Synd. 2008; 48:599-606.
58. Torpey Kwasi, Kasonde Dorothy, Goma Fastone. The experience of patients taking LPV/r tablet compared to LPV/r capsule in Zambia. International Journal of STDs and AIDS Vol 19 Supp 1, June 2008 Pg1-4.
59. Torpey K, Kabaso M, Mutale L, et al. Effectiveness of Adherence Support Workers in Addressing Human Resource Constraints in a Public Health Setting In Zambia. PLoS One 3(5): e 2204. doi 10.1371/journal.pone.002204. May 21st 2008
60. Van Hulst M, Sagoe KWC, Vermande JE, van der Schaaf IP, van der Tuuk Adriani WP, Torpey K, et al. Cost Effectiveness of HIV screening in blood donations in Ghana. Value in Health Sept/October 2008.Vol 11, Issue 5 Pg809-819
61. William Ampofo, Kwasi Torpey, Y.D Mukadi et al. Normal CD4+ T Lymphocytes in HIV Seronegative Individuals in Manya/Yilo Krobo Communities in the Eastern Region of Ghana. Viral Immunology. Vol 19 No. 2 2006 Pg 260-266
62. Jillian C Cohen, Martha Gyansa-Lutterodt, Kwasi Torpey, Laura Esmail, Greg Kurkowa.  TRIPS, The Doha Declaration and Increasing Access to Medicines: Policy Options for Ghana. Globalization and Health 2005. 1:17 doi:10.1186/1744-8603-1-17 Dec 9th 2005

Publications at

Book chapters
• Margaret Lartey, Kwasi Torpey, C.I.S Barker.  Antiviral drugs. In Jeffrey Aronson, Editors: Side Effects of Drugs Annual 33 (SEDA): Elsevier 2011, pp577-62
• Margaret Lartey, Kwasi Torpey, Jeffrey Aronson.  Antiviral drugs. In Jeffrey Aronson, Editors: Side Effects of Drugs Annual 34 (SEDA): Elsevier 2012 pp447-77
• Kwasi Torpey, Justin Mandala. Pushing the Frontiers of Prevention of Mother to
Child Transmission: Overcoming Challenges of Reducing Pediatric Infection in
Resource limited settings. Edited by Cambridge Research Centre. Treatment
Strategies AIDS. London, 2010:30-34