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

Associate Professor of Pediatrics and Microbiology

Director, Division of Pediatric Infectious Diseases

NYU Grossman School of Medicine

Postdoctoral Scientists

Michelle Vaz, MD

Ifrah Shahi, PhD

Graduate Students

Karina Flores

Molly Sharp

Laboratory Manager

Sophia Dongas

Research Coordinator

Megan Job

Recent News / Publications

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.

New paper from lab alumnus Tom Hooven‘s lab! Check it out: Genome-Wide fitness analysis of group B Streptococcus in human amniotic fluid reveals a transcription factor that controls multiple virulence traits.

Vaz MJ, Purrier SA, Bonakdar M, Chamby AB, Ratner AJ, Randis TM. The Impact of Circulating Antibody on Group B Streptococcus Intestinal Colonization and Invasive Disease. Infect Immun. 2020 Dec 15;89(1):e00348-20. doi: 10.1128/IAI.00348-20.

Contact Us

Adam Ratner, MD, MPH


Twitter: @AdamRatnerMD