Dr. Jasjit Singh, Pediatric Infectious Disease

Dr. Jasjit Singh is a pediatric infectious diseases subspecialist who currently serves as assistant director of the division for CHOC Specialists and the medical epidemiologist for CHOC Hospital. Her main interests are in the prevention of infection and vaccines, international health, and primary immunodeficiency conditions in children. She is active in clinical research, has presented her work at scientific meetings and has multiple publications. She has a passion for teaching medical students and residents, and gives frequent lectures at CHOC and in the community on a variety of infectious disease topics.

Dr. Singh is board certified in pediatric infectious diseases. Dr. Singh received her undergraduate degree at Harvard University, and her medical degree from the Duke University School of Medicine. She completed her pediatrics residency at Cornell University Medical Center in NY, where she also served as Chief Resident, before completing her subspecialty fellowship training in pediatric infectious diseases at Johns Hopkins Medical Center in Baltimore. Dr. Singh is dedicated to providing the best possible care to the children of Orange County through her expertise and experience.

Dr. Singh’s research interests include vaccines, particularly bacterial antigen vaccines, the epidemiology of vaccine preventable diseases, vaccine communication and vaccination of high risk hosts. Currently, her main area of research centers on participating in vaccine trials, as well as studies of new antimicrobial and antifungal agents. She is currently involved in 40 open studies.

Dr. Singh is dedicated to vaccine education and out reach to families and her peers. Dr. Singh has lectured throughout the United States and abroad about vaccines and infectious disease prevention. Closer to home, she is very involved in the Orange County Immunization Coalition’s efforts and is the immediate past president of the California Immunization Coaltion.

Locations

CHOC Specialists, Infectious Diseases
1201 W. La Veta Ave. Building: CHOC Clinic
Orange, CA 92868
phone: 714-509-8403
fax: 714-509-4014

Education

• Medical School
  Duke University School of Medicine, Durham, NC
• Pediatrcs Residency
  The New York Hospital-Cornell Medical Center, New York, NY
• Pediatric Infectious Diseases Fellowship
  Johns Hopkins University Hospital, Baltimore, MD

Academic Appointments

• HS Associate Clinical Professor, Department of Pediatrics
  University of California, Irvine School of Medicine

Administrative Appointments

• Associate Director, Pediatric Infectious Disease, CHOC
• Infectious Disease, CHOC Specialist
• Medical Director, Infection Prevention and Control, CHOC

Professional Organizations/Editorial Boards

• Society for Healthcare Epidemiology of America
• Infectious Diseases Society of America
• American Society for Microbiology
• AAP Section of Infectious Diseases
• Pediatric Infectious Diseases Society
• American Academy of Pediatrics
• California Immunization Coalition

Honors and Awards

• CHOC Children’s Residency Program Teacher of the Year Award, multiple years
• OCMA Physician of Excellence Award, multiple years
• Elected by Rep Lou Correa as a 2022 Congressional Woman of the Year

Recent Research Presentations

Schafenacker A, Fote G. Sherlock D, So J, Himstead A, Davies J, Pedroza S, Gornick W, Wang R, Olaya J, Arrieta A, Singh J. Positive Cerebrospinal Fluid Cultures from Intraventricular Reservoirs for CLN2 Patients: One Institution’s Experience.  Poster presentation at ID Week 2023. Boston, MA  October 14, 2023.

Nieves DJ, Tran T, Lusk J, Singh J, Ashouri N, Adler-Shohet F, Marano R, Osborne S, Strickland J, Arrieta A. Safety and tolerability of Remdesivir for severe infection and prevention of progression of disease in pediatric patients with SARS-CoV-2 infection. Oral  presentation at the 2024 Pediatric Academic Societies (PAS) meeting. May 2-6, 2024, Toronto, Canada

Leyden B, Gornick W, Huff B, Singh J. Inpatient Pediatric Influenza Vaccination Tends: What Happened During the COVID Pandemic”. Poster Presentation at the 2024 California Immunzation Coalition Summit. June 5-6, 2024. Sacramento, CA

Ashouri N, Singh J, Nieves D, Gornick W, Arrieta A. Kawasaki Disease versus respiratory viral activity during the COVID-19 pandemic. Poster presentation at the 14th International Kawasaki Disease Symposium (IKDS). August 26-29, 2024. Montreal, Quebec, Canada.

Leyden B, Gornick W, Tran T, Singh J. High Risk, Low Compliance: Surprising Post-Pandemic Influenza Vaccine Trends in a Children’s Hospital. Poster Presentation. ID Week 2024. October 17, 2024. Los Angeles, CA

Lee A. Tran T, Liu C, Capparelli E, Phal S, Enriquez C, Osborne S, Strickland J, Cohen-Wolkowiez M, Hornik C.D., Ashouri N. Nieves D, Shaw A, Singh J, Arrieta A.  Population pharmacokinetics and safety of continuous oxacillin in preterm and term neoanates and infants. Oral presentation at the 43rd  Annual meeting of European Society for Paediatric Infectious Diseases (ESPID). May 26-30, 2025. Bucharest, Romania

Mihalek A,  Schafenacker A, Andreeff K,  Aguilar R,  Bryan, M.A, Singh J.  Impact of the COVID-19 Pandemic on National Pediatric Inpatient Vaccine Delivery. Oral Presentation at Pediatric Hospital Medicine 2025. Anaheim, CA. July 2025

Jacobs, N., Schafenacker, A., Kabeer, M., Wong, G., Singh, J. ” On Typhus’s Turf, an Unexpected GI Perf.” Poster presentation at Pediatric Hospital Medicine 2025. Anaheim, CA. July 2025.

Winckler B, Dong M, Weiss M,  Singh J. Assessing Geographic Associations of Respiratory Syncytial Virus Spread and Nirsevimab Administration”. Accepted for poster presentation at the 97th Pediatric Academic Societies meeting. April 25, 2026.  Boston, MA.

Winckler B, Dong M,  Singh J. Differing Geographic Uptake of Nirsevimab versus Routine Vaccines. Accepted for poster presentation at the 97th Pediatric Academic Societies meeting. April 25, 2026.  Boston, MA.

Publications

Polonijo A, Lee S, Nagpal N,  Barros R, Hopfer S,  Brown B,  Pellman H, Singh J. How do patient-provider relationship continuity, gender, and language affect pediatric HPV vaccine acceptance. Hum Vaccin Immunother. 2021 Nov 2;17(11):4467-4469.

Cooper D, Afghani B, Byington C, Cunningham CK, Golub S, Lu K, Radom-Aizik S, Friedman Ross L, Singh J, Smoyer W, et al. SARS-CoV-2 vaccines testing and trial in the pediatric population, biologic, ethical research, and implementation challenges. Pediatr Res.2021 Nov;90(5):966-970

Hani N, Gornick W, Huff B, Atieza J, Singh J. Human Metapneumovirus Infection in a Children’s Hospital-It Should Get More Attention.  Pediatr Infect Dis J. 2022 Apr 1;41(4):284-289

Feldman K, Gornick W, Huff B, Singh J. Healthcare-associated viral respiratory infections in paediatric intensive care unit settings; More than just a sneeze. Infection Prevention in Practice. 2022 Jul 16;4(3):100233 doi.org/10.1016/j.infpip.2022.100233.

Arrieta A, Galvis A, Osborne S, Morphew T, Imfeld K, Enriquez C, Hoang J, Swearingen M Nieves DJ, Ashouri N, Singh J, Nugent D. “Use of COVID-19 Convalescent Plasma for Treatment of Symptomatic SARS-CoV-2 Infection at a Children’s Hospital: A Contribution to a Still Inadequate Body of Evidence.” Children (Basel). 2023 Feb 10;10(2):350. Doi:10.3390/children10020350

Nieves DJ, Tran T, Singh J, Ashouri N, Morphew T, Lusk J, Adler-Shohet F, Marano R, Osborne S, Strickland J, Arrieta A. Remdesivir use in pediatric patients with acute SARS-CoV-2 infection is safe and well tolerated. Children 2025, 12(3), 331;doi.org/10.3390/children1203331. 6 March 2025

Lee A, Tran Tuan, Singh J, Arrieta A. Optimizing voriconazole dosing in extremely premature infants with Aspergillus infections. Pediatr Infect Dis J.2025 May 28. Doi:10.1097/INF.0000000000004868

Fote G, Schafenacker A, Singh J, Sherlock D, Romero B, Himstead A, Davies J, Pedroza S, So J, Arrieta A, Gornick W, Wang R, Olaya J. Management of positive cerebrospinal fluid cultures from intraventricular reservoirs for CLN2 patients: One institution’s experience. Journal  of Neurosurgery. 2025 August. DOI:10.3171/2025.4.PEDS24452

Szilagi P, Gurfinkel D, Clark E, Albertin C, Saville A, O’Leary S, Beaty B, Vangala S, Woo H, Golden C, Singh J, Kempe A. Clinical Perceptions of the Impact of Switching HPV Vaccine Initiation to 9-10 years. Accepted for publication Pediatrics. December 8, 2025.

Mihalek A, Shafenacker A, Andreef K, Aguilar R, Mersine B, Singh J.  Impact of COVID-19 Pandemic on National Pediatric Inpatient Vaccine Delivery. Accepted for publication. Hospital Pediatrics. January 15, 2026