Ratner Laboratory

Departments of Pediatrics and Microbiology
New York University Grossman School of Medicine

Understanding infection. Promoting child health.

About Us

We study the pathogenesis of pediatric infectious diseases.
Working at every level from molecular genetics to population studies, we aim to understand and ultimately prevent morbidity and mortality from childhood infections.


Principal Investigator

Adam Ratner, MD, MPH

Professor of Pediatrics and Microbiology

Director, Division of Pediatric Infectious Diseases

NYU Grossman School of Medicine

Postdoctoral Scientists

Ifrah Shahi, PhD

Michelle Vaz, MD

Graduate Students

Molly Sharp

Laboratory Manager

Sophia Dongas

Research Coordinator

Megan Job

Recent News / Publications

Kuperwaser F, Avital G, Vaz MJ, Noble KN, Dammann AN, Randis TM, Aronoff DM, Ratner AJ, Yanai I. Host inflammatory dynamics reveal placental immune modulation by Group B Streptococcus during pregnancy. Mol Syst Biol. 2023 Mar 9;19(3):e11021. doi: 10.15252/msb.202211021. PMID: 36744393.

Dammann AN, Chamby AB, Gonzalez FJ, Sharp ME, Flores K, Shahi I, Dongas S, Hooven TA, Ratner AJ. Group B Streptococcus Capsular Serotype Alters Vaginal Colonization Fitness. J Infect Dis. 2022 Jun 1;225(11):1896-1904. doi: 10.1093/infdis/jiab559.

Shahi I, Llaneras CN, Perelman SS, Torres VJ, Ratner AJ. Genome-Wide CRISPR-Cas9 Screen Does Not Identify Host Factors Modulating Streptococcus agalactiae β-Hemolysin/Cytolysin-Induced Cell Death. Microbiol Spectr. 2022;10(1):e0218621. doi: 10.1128/spectrum.02186-21. PMID: 35196804.

Contact Us

Adam Ratner, MD, MPH


Twitter: @AdamRatnerMD