Jacky M. Jennings, Ph.D., M.P.H.

Headshot of Jacky M. Jennings
  • Director, Center for Child & Community Health Research (CCHR)
  • Professor of Pediatrics


Adolescent Medicine, General Pediatrics

Research Interests

Epidemiology; Social epidemiology; Sexually transmitted infection (STI) transmission dynamics; Behavior; Surveillance; Adolescents; GIS; Spatial analyses ...read more


Dr. Jacky M. Jennings is a Professor of Pediatrics at the Johns Hopkins University School of Medicine with three joint appointments in the Johns Hopkins Bloomberg School of Public Health including the Department of Epidemiology, Health, Behavior and Society, and Population, Family and Reproductive Health. 

She serves as Director of the Biostatistics, Epidemiology And Data management (BEAD) Core and Director of the Center for Child and Community Health Research. She is also the Associate Director of General Pediatrics and Vice-Chair of the Johns Hopkins Bayview Scientific Advisory Board.

Dr. Jennings’ research focuses on the social epidemiology of sexually transmitted infections and HIV. She has established national prominence and leadership as an epidemiologist with a focus on improving the health of children, adolescents, and young adults—particularly those that reside in urban, disadvantaged communities.

She earned her Master of Public Health and her doctoral degree from the Johns Hopkins Bloomberg School of Public Health.

Dr. Jennings has served on the board of the International Society for STD Research (ISSTDR) and serves on two Editorial Boards. She teaches a course to graduate public health students on how to conduct epidemiologic investigations of outbreaks, and she mentors students from the undergraduate to post-graduate level.

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  • Director, Center for Child & Community Health Research (CCHR)
  • Vice Chair, Johns Hopkins Bayview Scientific Advisory Board
  • Director, Biostatistics, Epidemiology And Data management (BEAD) Core
  • Associate Director, General Pediatrics
  • Professor of Pediatrics

Departments / Divisions

Centers & Institutes



  • M.P.H.; Johns Hopkins Bloomberg School of Public Health (Maryland) (1998)
  • Ph.D.; Johns Hopkins Bloomberg School of Public Health (Maryland) (2003)
  • B.A.; Wesleyan University (Connecticut) (1992)

Research & Publications

Research Summary

Dr. Jennings’ primary research contributions are in the area of sexually transmitted infection (STI) and HIV transmission dynamics with a specific interest in determining the mechanisms through which place plays a role in local transmission dynamics causing endemic rates of STIs and HIV. Secondarily, she has begun to make significant research contributions in the application of epidemiologic principles to the translation of research questions in pediatrics.   

She collaborates closely with the Baltimore City Health Department and is the lead on an initiative funded by the Centers for Disease Control to decrease HIV transmission in Baltimore City through the identification of high HIV transmission areas. The project will involve enhancing screening and testing in identified areas as well as public health detailing to primary care providers. 

Dr. Jennings collaborates with colleagues within and outside the Division on a wide array of health outcomes including pelvic inflammatory disease, pediatric obesity, intimate partner violence, cardiology and sickle cell disease.  She also teaches and advises graduate public health and medical school students.

Core Facility:

Selected Publications

Leifheit KM, Schwartz GL, Pollack CE, Black MM, Edin KJ, Althoff KN, Jennings JM. Eviction in early childhood and neighborhood poverty, food security, and obesity in later childhood and adolescence: Evidence from a longitudinal birth cohort. Social Science and Medicine – Population Health. 2020/08/01/ 2020;11:100575. doi:https://doi.org/10.1016/j.ssmph.2020.100575

Jennings JM, Tilchin C, Meza B, Schumacher C, Fields EL, Latkin C, Rompalo A, Greenbaum A, Ghanem KG. Overlapping Transmission Networks of Early Syphilis and/or Newly HIV Diagnosed Gay, Bisexual and Other Men Who Have Sex with Men (MSM): Opportunities for Optimizing Public Health Interventions. AIDS and Behavior. 2020 Apr 1. doi: 10.1007/s10461-020-02840-2

Fields EL, Long A, Bademosi K, Granderson R, Schumacher CM, Chandran A, Kingon Y, Jennings JM. Identifying Community-Informed Language to Promote HIV Pre-exposure   Prophylaxis (PrEP) in Black LGBTQ Communities in Baltimore.  AIDS Education and Prevention. 2020; 32(2), pp.152-168

Schumacher C, Wu L, Chandran A, Fields E, Greenbaum A, Jennings JM and the IMPACT Partner Collaborative (Kathleen Page MD (3), Maisha Davis LCSW-C, Sarah Schmalzle, MD, Joyce Leitch Jones MD, MS, Jason Farley PhD, MPH, ANP-BC, FAAN, AACRN, Renata Arrington-Sanders MD, ScM, MPH, Vicki Tepper PhD, Mimi Demissew). STI screening at PrEP follow-up visits among MSM prescribed PrEP in Baltimore City, Maryland. CID. 2019 Nov 25;ciz1145. doi:10.1093/cid/ciz1145

Jennings JM, Schumacher C, Perin J, Myers T, Fields N, Safi AG, Chaulk P. A pilot study to increase the efficiency of HIV outreach testing through the use of timely and geo-located HIV viral load surveillance data. Sex Transm Dis. 2018 Mar;45(3):207-211. PMCID: PMC5815644

Contact for Research Inquiries

Bayview Medical Center, Pediatrics
5200 Eastern Avenue
Mason Lord Bldg Center
Baltimore, MD map
Phone: 410-550-4132

Email me

Academic Affiliations & Courses

Graduate Program Affiliation


Courses and Syllabi

  • Epidemiologic Inference in Outbreak Investigations (340.653.01)

Activities & Honors


  • Excellence in Teaching Academy Award, Johns Hopkins University School of Medicine, 2011
  • Selected, Women in Leadership Program, Office of Women in Science and Medicine, Johns Hopkins University, 2010 - 2011
  • Selected participant, International Social Systems and Health Workshop, 2010
  • Two mentees, New Investigator Award Finalist, Society for Adolescent Health and Medicine, 2009 - 2010


  • International Society for Sexually Transmitted Disease Research (ISSTDR)
  • International Union against Sexually Transmitted Infections (IUSTI)
  • American Sexually Transmitted Diseases Association (ASTDA)

Professional Activities

  • Society for Adolescent Health and Medicine, International Society for STD Research (ISSTDR), 2012
  • Committee Member, Social and Behavioral Track Committee, 2001 - 2012
  • Study Section Reviewer for Social Sciences and Health Outcomes RFA (PAR-09-224),, NIH Basic Behavioral and Social Science Opportunity Network (OppNet), 2011
  • Vice Chair, Bayview Scientific Advisory Board (BSAB)

Videos & Media

Recent News Articles and Media Coverage

Place Matters: The Argument and Evidence from the Field of Sexually Transmitted Infections and HIV, Pediatric Grand Rounds, January 23, 2015

Baltimore City aiming to zone some liquor stores out of existence, WMAR Baltimore, ABC 2, April 29, 2014

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