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Center for Global Health Faculty

Ronald Gray

Professor

Ronald Gray

Academic Degrees

  • MD

Departmental Affiliation

Departmental Address

627 N Washington Street, 2nd Floor, Baltimore, MD 21205

Contact Information

Phone:
410-955-7818
Fax:
410-614-7386

Research and Professional Experience

Reproductive health including HIV and STD control, determinants of HIV/STD risk. Cohort studies, randomized controlled trials. Maternal and child health, family planning, cervical cancer screening, reproductive epidemiology

Keywords

HIV, circumcision, STIs, Uganda

Honors and Awards

Commonwealth Medical Scholarship, 1960-1965 Government of Israel Volunteer Medal, 1967 Commonwealth Post Graduate Fellowship, 1970-1971 JHU SHPH Golden Apple Award for Teaching, 1985 Robertson Professorship, 2002. Advising, Mentoring & Teaching Recognition Award, 2008. Ngaly Mann award 2009

Selected Publications

Chang LW, Kagaayi J, Nakigozi G, Serwadda D, Quinn TC, Gray RH, Bollinger RC, Reynolds SJ, Holtgrave D. AIDS Care: Psychological and Socio-medical Aspects of AIDS/HIV. 2012 Sep; doi: 10.1080/09540121.2012.722600.

Makumbi F, Gray RH, Walusimbi M, Serwadda D, Lutalo T, Sekasanvu J, Nakigozi G, Nalugoda F. Incidence of Orphanhood efore and sfter implementation of a HIV care programme in Rakai, Uganda: Alpha Network HIV Supplement. 2012 [Epub ahead of print]

Redd AD, Collinson-Streng AN, Chatziandreou N, Mullis CE, Laeyendecker O, Martens C, Ricklefs S, Kiwanuka N, Nyein PH, Lutalo T, Gabrowsku MK, Kong X, Manucci J, Sewankambo N, Wawer MJ, Gray RH, Porcella SF, Fauci AS, Sagar M, Serwadda D, Quinn TC. Previously transmitted HIV-1 strains are preferentially selected during subsequent sexual transmission. J Infect Dis. 2012 May; doi: 10.1093/infdis/jos503.

Reynolds SJ, Laeyendecker O, Nakigozi G, Gallant JE, Huang W, Hudelson SE, Quinn TC, Newell K, Serwadda D, Gray RH, Wawer MJ, Eshleman SH. Antiretroviral Drug     Susceptibility Among HIV-Infected Adults Failing Antiretroviral Therapy in Rakai, Uganda. AIDS Res Hum Retroviruses. 2012 Apr 26. [Epub ahead of print]

Tobian AR, Kigozi G, Gravitt PE, Xiao C, Serwadda D, Eaton EP, Kong X, Wawer MJ, Nalugoda F, Quinn TC, Gray RH. Human papillomavirus incidence and clearance among HIV-positive and HIV-negative men in sub-Saharan Africa. AIDS. 2012 March 23; doi: 10.1097/QAD.0b013e328353b83c

Reynolds SJ, Makumbi F, Newell K, Kiwanuka N, Ssebbowa P, Mondo G, Boaz I, Wawer MJ, Gray RH, Serwadda D, Quinn TC. Effect of daily aciclovir on HIV disease progression in individuals in Rakai, Uganda, co-infected with HIV-1 and herpes simplex virus type 2: a randomised, double-blind placebo-controlled trial. Lancet Infect Dis. 2012 Mar 17. [Epub ahead of print]

Wawer MJ, Gray RH. Challenges in assessing associations between hormonal contraceptive use and the risks of HIV-1 acquisition and transmission. Future Microbiol. 2012 Mar;7:315-8.

Tobian AA, Kigozi G, Redd AD, Serwadda D, Kong X, Oliver A, Nalugoda F, Quinn TC, Gray RH, Wawer MJ. Male circumcision and herpes simplex virus type 2 infection in female partners: a randomized trial in Rakai, Uganda. J Infect Dis. 2012 Feb;205(3):486-90.Epub 2011 Dec 5

Tobian AA, Kigozi G, Redd AD, Serwadda D, Kong X, Oliver A, Nalugoda F, Quinn TC, Gray RH, Wawer MJ. Male Circumcision and Herpes Simplex Virus Type 2 Infection in Female Partners: A Randomized Trial in Rakai, Uganda. J Infect Dis. 2011 Dec 5. [Epub ahead of print] PubMed PMID: 22147796.

Prodger JL, Gray RH, Kigozi G, Nalugoda F, Galiwango R, Hirbod T, Wawer M, Hofer SO, Sewankambo N, Serwadda D, Kaul R. Foreskin T-cell subsets differ substantially from blood with respect to HIV co-receptor expression, inflammatory profile, and memory status. Mucosal Immunol. 2011 Nov 16. doi:10.1038/mi.2011.56.

Thoma ME, Gray RH, Kiwanuka N, Wang MC, Sewankambo N, Wawer MJ. The natural history of bacterial vaginosis diagnosed by gram stain among women in Rakai, Uganda. Sex Transm Dis. 2011 Nov;38(11):1040-5

Stabinski L, Reynolds SJ, Ocama P, Laeyendecker O, Ndyanabo A, Kiggundu V,Boaz I, Gray RH, Wawer M, Thio C, Thomas DL, Quinn TC, Kirk GD; Rakai Health Sciences Program. High prevalence of liver fibrosis associated with HIV infection: a study in rural Rakai, Uganda. Antivir Ther. 2011;16(3):405-11.

Galiwango RM, Lamers SL, Redd AD, Manucci J, Tobian AA, Sewankambo N, Kigozi G, Nakigozi G, Serwadda D, Boaz I, Nalugoda F, Sullivan DJ, Kong X, Wawer MJ, Gray RH, Quinn TC, Laeyendecker On Behalf Of The Rakai Health Sciences Program O.HIV Type 1 Genetic Variation in Foreskin and Blood from Subjects in Rakai,Uganda. AIDS Res Hum Retroviruses. 2011 Sep 19. [Epub ahead of print]

Redd AD, Laeyendecker O, Kong X, Kiwanuka N, Lutalo T, Huang W, Gray RH, Wawer MJ, Serwadda D, Eshleman SH, Quinn On Behalf Of The Rakai Health Sciences Program TC. Efficiency of CCR5 Coreceptor Utilization by the HIV Quasispecies Increases over Time, But Is Not Associated with Disease Progression. AIDS Res Hum Retroviruses. 2011 Aug 5. [Epub ahead of print]

Redd AD, Collinson-Streng A, Martens C, Ricklefs S, Mullis CE, Manucci J, Tobian AA, Selig J, Laeyendecker O, Sewankambo N, Gray RH, Serwadda D, Wawer MJ, Porcella SF, Quinn TC; Rakai Health Sciences Program. Identification of HIVsuperinfection in seroconcordant couples in Rakai, Uganda, by use of next-generation deep sequencing. J Clin Microbiol. 2011 Aug;49(8):2859-67. Epub 2011 Jun 22.        

Kigozi G, Musoke R, Anyokorit M, Nkale J, Kighoma N, Ssebanenya W, Mwinike J, Watya S, Nalugoda F, Kagaayi J, Nalwoga G, Nakigozi G, Kiwanuka N, Makumbi F, Lutalo T, Serwadda D, Wawer M, Gray RH. Use of a mixture of lignocaine and bupivacaine vs lignocaine alone for male circumcision under local anaesthesia in Rakai, Uganda. BJU Int. 2011 Aug 30. doi: 10.1111/j.1464-410X.2011.10505.x.

Kigozi G, Nkale J, Wawer M, Anyokorit M, Watya S, Nalugoda F, Kagaayi J,Kiwanuka N, Mwinike J, Kighoma N, Nalwoga GK, Nakigozi GF, Katwalo H, Serwadda D, Gray RH. Designing and usage of a low-cost penile model for male medical circumcision skills training in Rakai, Uganda. Urology. 2011 Jun;77(6):1495-7.Epub 2011 Feb 5.

Neal JD, Tobian AA, Laeyendecker O, Ngo TD, Redd AD, Reynolds SJ, Ashley Morrow, Manucci JL, Serwadda D, Gray RH, Quinn TC. Performance of the Euroline Western blot assay in the detection of herpes simplex virus type 2 antibody in Uganda, China and the USA. Int J STD AIDS. 2011 Jun;22(6):342-4.

Polis CB, Gray RH, Lutalo T, Nalugoda F, Kagaayi J, Kigozi G, Kiwanuka N,Serwadda D, Wawer MJ. Trends and correlates of hormonal contraceptive use among HIV-infected women in Rakai, Uganda, 1994-2006. Contraception. 2011 Jun;83(6):549-55. Epub 2010 Dec 3.

Kagulire SC, Opendi P, Stamper PD, Nakavuma JL, Mills LA, Makumbi F, Gray RH, Shott JP, Serwadda D, Reynolds SJ. Field evaluation of five rapid diagnostic tests for screening of HIV-1 infections in rural Rakai, Uganda. Int J STD AIDS. 2011 Jun;22(6):308-9.

Tobian AA, Gray RH. Male foreskin and oncogenic human papillomavirus infection in men and their female partners. Future Microbiol. 2011 Jul;6(7):739-45.

Chang LW, Kagaayi J, Arem H, Nakigozi G, Ssempijja V, Serwadda D, Quinn TC, Gray RH, Bollinger RC, Reynolds SJ. Impact of a mHealth Intervention for Peer Health Workers on AIDS Care in Rural Uganda: A Mixed Methods Evaluation of a Cluster-Randomized Trial. AIDS Behav. 2011 Jul 8. [Epub ahead of print]

Morris BJ, Gray RH, Castellsague X, Bosch FX, Halperin DT, Waskett JH, Hankins CA. The Strong Protective Effect of Circumcision against Cancer of the Penis. Adv Urol. 2011;2011:812368. Epub 2011 May 22.

Stabinski L, Reynolds SJ, Ocama P, Laeyendecker O, Serwadda D, Gray RH, Wawer M, Thomas DL, Quinn TC, Kirk GD. Hepatitis B virus and sexual behavior in Rakai,Uganda. J Med Virol. 2011 May;83(5):796-800. doi: 10.1002/jmv.22051.

Buwembo DR, Musoke R, Kigozi G, Ssempijja V, Serwadda D, Makumbi F, Watya S, Namuguzi D, Nalugoda F, Kiwanuka N, Sewankambo NK, Wabwire-Mangen F, Kiggundu V, Wawer MJ, Gray RH. Evaluation of the safety and efficiency of the dorsal slit and sleeve methods of male circumcision provided by physicians and clinical officers  in Rakai, Uganda. BJU Int. 2011 May 31. doi: 10.1111/j.1464-410X.2011.10259.x. [Epub ahead of print]

Eller MA, Blom KG, Gonzalez VD, Eller LA, Naluyima P, Laeyendecker O, Quinn TC, Kiwanuka N, Serwadda D, Sewankambo NK, Tasseneetrithep B, Wawer MJ, Gray RH, Marovich MA, Michael NL, deSouza MS, Wabwire-Mangen F, Robb ML, Currier JR, Sandberg JK. Innate and Adaptive Immune Responses Both Contribute to Pathological CD4 T Cell Activation in HIV-1 Infected Ugandans. PLoS One. 2011 April; 6(4): e18779.

Tobian AA, Kong X, Wawer MJ, Kigozi G, Gravitt PE, Serwadda D, Eaton KP, Nalugoda F, Quinn TC, Gray RH. Circumcision of HIV-infected men and transmission of human papillomavirus to female partners: analyses of data from a randomized trial in Rakai, Uganda. Lancet Infect Dis. 2011 Apr 11. [Epub ahead of print]

Johnson KE, Redd AD, Quinn TC, Collinson-Streng AN, Cornish T, Kong X, Sharma R, Tobian AA, Tsai B, Sherman ME, Kigozi G, Serwadda D, Wawer MJ, Gray RH. Effects of HIV-1 and herpes simplex virus type 2 infection on lymphocyte and dendritic cell density in adult foreskins from Rakai, Uganda. J Infect Dis. 2011 Mar 1;203(5):602-9. Epub 2011 Jan 10.

Arem H, Nakyanjo N, Kagaayi J, Mulamba J, Nakigozi G, Serwadda D, Quinn TC, Gray RH, Bollinger RC, Reynolds SJ, Chang LW. Peer Health Workers and AIDS Care in Rakai, Uganda: A Mixed Methods Operations Research Evaluation of a Cluster-Randomized Trial. AIDS Patient Care STDS. 2011 Mar 10. [Epub ahead of print]

Morris BJ, Waskett JH, Gray RH, Halperin DT, Wamai R, Auvert B, Klausner JD. Expose’ of misleading claims that male circumcision will increase HIV infections in Africa. Journal of Public Health in Africa. 2011: 117-122; 2:e28.

Morris BJ, Waskett JH, Banerjee J, Wamai RG, Tobian AA, Gray RH, Bailis SA, Bailey RC, Klausner JD, Willcourt RJ, Halperin DT, Wiswell TE, Mindel A. A 'Snip' in time: what is the best age to circumcise? BMC Pediatr. 2012 Feb 28;12(1):20.[Epub ahead of print]

Polis CB, Gray RH, Bwanika JB, Kigozi G, Kiwanuka N, Nalugoda F, Kagaayi J,    Lutalo T, Serwadda D, Wawer MJ. Effect of Hormonal Contraceptive Use Before HIV Seroconversion on Viral Load Setpoint Among Women in Rakai, Uganda. J Acquir Immune Defic Syndr. 2011 Feb 1;56(2):125-30.

Johnson KE, Redd AD, Quinn TC, Collinson-Streng AN, Cornish T, Kong X, SharmaR, Tobian AA, Tsai B, Sherman ME, Kigozi G, Serwadda D, Wawer MJ, Gray RH.    Effects of HIV-1 and Herpes Simplex Virus Type 2 Infection on Lymphocyte and Dendritic Cell Density in Adult Foreskins from Rakai, Uganda. J Infect Dis. 2011 Jan 10. [Epub ahead of print]

Makumbi FE, Nakigozi G, Reynolds SJ, Ndyanabo A, Lutalo T, Serwada D, Nalugoda F, Wawer M, Gray R. Associations between HIV Antiretroviral Therapy and the Prevalence and Incidence of Pregnancy in Rakai, Uganda. AIDS Res Treat. 2011;2011:519492. Epub 2011 Jan 19.

Reynolds SJ, Makumbi F, Nakigozi G, Kagaayi J, Gray RH, Wawer M, Quinn TC, Serwadda D. HIV-1 transmission among HIV-1 discordant couples before and after the introduction of antiretroviral therapy. AIDS. 2011 Jan 15. [Epub ahead of  print]

Wawer MJ, Tobian AA, Kigozi G, Kong X, Gravitt PE, Serwadda D, Nalugoda F, Makumbi F, Ssempiija V, Sewankambo N, Watya S, Eaton KP, Oliver AE, Chen MZ, Reynolds SJ, Quinn TC, Gray RH. Effect of circumcision of HIV-negative men on transmission of human papillomavirus to HIV-negative women: a randomised trial in Rakai, Uganda. Lancet. 2011 Jan 15;377(9761):209-18. Epub 2011 Jan 6.

Tobian AA, Gray RH, Quinn TC.  Male Circumcision for the Prevention of Acquisition and Transmission of Sexually Transmitted Infections:  The Case for Neonatal Circumcision.  Archives of Pediatrics & Adolescent Medicine. 164 (No. 1):  78-84. January 2010.

Price LB, Liu CM, Johnson KE, Aziz M, Lau MK, Bowers J, Ravel J, Keim PS, Serwadda D, Wawer MJ, Gray RH.  The Effects of Circumcision on the Penis Microbiome.  PLoS ONE 5(1): e8422 January 2010.

Mills LA, Kagaayi J, Nakigozi G, Galiwango RM, Ouma J, Shott JP, Ssempijja V, Gray RH, Wawer MJ, Serwadda D, Quinn TC, Reynolds SJ. Utility of a Point-of-Care Malaria Rapid Diagnostic Test for Excluding Malaria as the Cause of Fever among HIV-Positive Adults in Rural Rakai, Uganda.  Am. J. Trop. Med. Hyg. 82(1): 145-147, 2010.

Redd AD, Ciccone EJ, Nakigozi G, Keruly JC, Ndyanabo A, Iga B, Gray RH, Serwadda D, Quinn TC. T-cell enumeration from dried blood spots by quantifying rearranged T-cell receptor-β genes.  J Immunol Methods. 2010 Jan 28. [Epub ahead of print] doi:10.1016/j.jim.2010.01.008

Lutalo T, Kigozi G, Kimera E, Serwadda D, Wawer MJ, Zabin L, Gray RH.  A Randomized Community Trial of Enhanced Family Planning Outreach in Rakai, Uganda.  Studies in Family Planning 2010 Mar; 41 [1]: 55-60.

Kong X, Archer KJ, Moulton LH, Gray RH, Wang MC.  Parametric frailty models for clustered data with arbitrary censoring: application to effect of male circumcision on HPV clearance. BMC Med Res Methodol.  2010 May 6; 10:40

Hollingsworth TD, Laeyendecker O, Shirref G, Donnelly CA, Serwadda D, Wawer MJ, Kiwanuka N, Nalugoda F, Collinson-Streng A, Ssempijja V, Hanage WP, Quinn TC, Gray RH, Fraser C. HIV-1 Transmitting Couples Have Similar Viral Load Set-Points in Rakai, Uganda. PLoS Pathog. 2010 May 6; 6 (5): e1000876

Redd AD, Eaton KP, Kong X, Laeyendecker O, Lutalo T, Wawer MJ, Gray RH, Serwadda D, Quinn TC; on behalf of the Rakai Health Sciences Program. C-Reactive Protein Levels Increase During HIV-1 Disease Progression in Rakai, Uganda, Despite the Absence of Microbial Translocation. J Acquir Immune Defic Syndr. 2010 May 12. [Epub ahead of print]

Gray RH, Serwadda D, Kong X, Makumbi F, Kigozi G, Gravitt P, Watya S, Nalugoda F, Ssempijja V, Tobian AA, Kiwanuka N, Moulton LH, Sewankambo NK, Reynolds SJ, Quinn TC, Iga B, Laeyendecker O, Oliver AE, Wawer MJ.  Male Circumcision Decreases Acquisition and Increases Clearance of High-Risk Human Papillomavirus in HIV-Negative Men:  A Randomized Trial in Rakai, Uganda.  J Infect Dis. 2010 May 15;201(10):1455-62.

Serwadda D, Wawer MJ, Makumbi F, Kong X, Kigozi G, Gravitt P, Watya S, Nalugoda F, Ssempijja V, Tobian AA, Kiwanuka N, Moulton LH, Sewankambo N, Reynolds SJ, Quinn TC, Oliver AE. Iga B, Laeyendecker O, Gray RH.  Circumcision of HIV-Infected Men:  Effects on High-Risk Human Papillomavirus Infections in a Randomized Trial in Rakai, Uganda.  J Infect Dis. 2010 May 15;201(10):1463-9

Polis CB, Wawer MJ, Kiwanuka N, Laeyendecker O, Kagaayi J, Lutalo T, Nalugoda F, Kigozi G, Serwadda D, Gray RH. Effect of hormonal contraceptive use on HIV progression in female HIV seroconverters in Rakai, Uganda.  AIDS. 2010 May 24. [Epub ahead of print]

Chang LW, Kagaayi J, Nakigozi G, Ssempijja V, Packer AH, Serwadda D, Quinn TC, Gray RH, Bollinger RC, Reynolds SJ. Effect of Peer Health Workers on AIDS Care in Rakai, Uganda:  A Cluster-Randomized Trial.  PLoS One. 2010 June 2; 5(6): e10923.

Thoma ME, Gray RH, Kiwanuka N, Aluma S, Wang MC, Sewankambo N, Wawer MJ. Longitudinal Changes in Vaginal Microbiota Composition Assessed by Gram Stain Among Never Sexually Active Pre- and Postmenarcheal Adolescents in Rakai, Uganda. J Pediatr Adolesc Gynecol. 2010 Aug 14. [Epub ahead of print]

Kong X, Gray RH, Moulton LH, Wawer M, Wang MC. A modeling framework for the  analysis of HPV incidence and persistence: A semi-parametric approach for clustered binary longitudinal data analysis. Stat Med. 2010 Sep 13. [Epub ahead of print]

Kairania R, Gray RH, Kiwanuka N, Makumbi F, Sewankambo NK, Serwadda D, Nalugoda F, Kigozi G, Semanda J, Wawer MJ. Disclosure of HIV results among discordant couples in Rakai, Uganda: a facilitated couple counselling approach. AIDS Care. 2010 Sep;22(9):1041-51.

Thoma ME, Gray RH, Kiwanuka N, Aluma S, Wang MC, Sewankambo N, Wawer MJ. The Short-term Variability of Bacterial Vaginosis Diagnosed by Nugent Gram Stain Criteria Among Sexually Active Women in Rakai, Uganda. Sex Transm Dis. 2010 Oct 1. [Epub ahead of print]

Conroy SA, Laeyendecker O, Redd AD, Collinson-Streng A, Kong X, Makumbi F, Lutalo T, Sewankambo N, Kiwanuka N, Gray RH, Wawer MJ, Serwadda D, Quinn TC; Rakai Health Sciences Program. Changes in the Distribution of HIV Type 1 Subtypes D and A in Rakai District, Uganda Between 1994 and 2002. AIDS Res Hum Retroviruses. 2010 Oct;26(10): 1087-91. Epub 2010 Oct 6.

Hallett TB, Alsallaq RA, Baeten JM, Weiss H, Celum C, Gray R, Abu-Raddad L. Will circumcision provide even more protection from HIV to women and men? New estimates of the population impact of circumcision interventions. Sex Transm Infect. 2010 Oct 21. [Epub ahead of print]

Makumbi F, Nakigozi G, Lutalo T, Kagaayi J, Sekasanvu J, Settuba A, Serwadda D, Wawer M, Gray R. Use of HIV-Related Services and Modern Contraception among Women of Reproductive Age, Rakai Uganda. African Journal of Rep Health. 2010 Dec; 14(4): 91-101.

Lucas GM, Clarke W, Kagaayi J, Atta MG, Fine DM, Laeyendecker O, Serwadda D, Chen M, Wawer MJ, Gray RH. Decreased Kidney Function in a Community-based Cohort of HIV-Infected and HIV-Negative Individuals in Rakai, Uganda. J Acquir Immune Defic Syndr. 2010 Dec 1;55(4):491-4.

 

Projects

  • Information Circumcision: HIV/STIs and behaviors in a RCT and post-RCT surveillance; Rakai Community Cohort Study
  • Information Effects of Male Circumcision (MC) in the Community, with Nested Clinical Research
  • Information Laboratory support for Rakai Program research activities (through the Rakai Health Sciences Program)
  • Information Rakai Health Sciences Program
  • Information SOLiD- Uganda

      
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