Natasha Halasa MD

Pediatric Infectious Disease•Nashville, TN

Associate Professor, Pediatrics, Vanderbilt University School of Medicine

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3601 21st Ave SNashville, TN 37232
Phone+1 615-322-3000

Education & Training

Vanderbilt University Medical CenterFellowship, Pediatric Infectious Diseases, 2001 - 2004
Nationwide Children's Hospital/Ohio State UniversityResidency, Pediatrics, 1998 - 2001
The University of Toledo College of MedicineClass of 1998

Certifications & Licensure

TN State Medical License 2001 - 2026
OH State Medical License 1999 - 2022
AL State Medical License 2020 - 2020
American Board of Pediatrics Pediatric Infectious Diseases

Clinical Trials

Standard vs High-Dose Trivalent Inactivated Flu Vaccine in Adult Hematopoetic Stem Cell Transplant (HSCT) Recipients Start of enrollment: 2010 Oct 01
Completed
Phase 1
Standard Versus High-Dose Trivalent Inactivated Flu Vaccine in Pediatric Acute Lymphoblastic Leukemia Patients Start of enrollment: 2010 Oct 01
Completed
Phase 1
Standard Dose Versus High-Dose Inactivated Flu Vaccine in Pediatric Solid Organ Transplant Patients Start of enrollment: 2011 Sep 01
Completed
Phase 1
Evaluation of the Pharmacokinetics (PK) and Pharmacodymamics (PD) of Ganciclovir (GCV) in Premature Infants Receiving Treatment for Cytomegalorivus (CMV) Infection Start of enrollment: 2013 Apr 01
Completed
A Safety and Dose-Determining Study of CMX001 In Infants With Neonatal Herpes Simplex Virus (HSV) Infection Involving the Central Nervous System (CNS Disease) Start of enrollment: 2016 Jan 01
Withdrawn
Phase 1, Phase 2
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Publications & Presentations

PubMed

NIRSEVIMAB IS EFFECTIVE AGAINST RESPIRATORY SYNCYTIAL VIRUS-ASSOCIATED HOSPITALIZATION AMONG AMERICAN INDIAN AND ALASKA NATIVE CHILDREN IN THEIR FIRST AND SECOND RSV S...
Laura L Hammitt, Joel S Espinoza, James W Keck, Rachel M Hartman, Gilberto Alvarez-Colon
The Pediatric Infectious Disease Journal. 2025-10-17
Viral detection in children less than 5 years with bronchiolitis, pneumonia, and croup, New Vaccine Surveillance Network, 2017-2023.
Zheyi Teoh, Ariana P Toepfer, Chelsea Rohlfs, Christopher J Harrison, Eileen J Klein
Journal of the Pediatric Infectious Diseases Society. 2025-10-17
Epidemiology of respiratory syncytial virus in young, hospitalized children in Jordan: a prospective viral surveillance study.
Justin Z Amarin, Haya Hayek, Olla Hamdan, Yasmeen Z Qwaider, Tala Khraise
Microbiology Spectrum. 2025-10-15

Journal Articles

Multiple Introductions and Antigenic Mismatch with Vaccines May Contribute to Increased Predominance of G12P[8] Rotaviruses in the United States
Natasha B Halasa, Kathryn M Edwards, mBio
Immune Responses to Pertussis Antigens in Infants and Toddlers After Immunization with Multicomponent Acellular Pertussis Vaccine
Natasha B. Halasa, Olajumoke O. Fadugba, mBio

Authored Content

Most Infants in ICU for RSV in 2022 Were Otherwise HealthyOctober 2023

Press Mentions

New Horizons in Infectious Disease Treatment and Prevention in Immunocompromised PatientsJune 23rd, 2025
Explaining Billy Joel’s Diagnosis; New COVID Vaccine Recommendations; Negative Effects of Vaping; Plus Other News Stories with VUMC SourcesMay 30th, 2025
Just Sitting Around Increases Alzheimer’s Risk; Finding Your True Biological Age; Are Men’s Beards Dirtier Than Toilet Seats?; Plus Other News Stories with VUMC SourcesMay 15th, 2025
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Grant Support

New Vaccine Surveillance Network -Patient Protection-AcaNational Center For Immunization And Respiratory Diseases2011
New Vaccine Surveillance NetworkNational Center For Immunization And Respiratory Diseases2011
Neonatal Immunization With Acellular Pertussis VaccinesNational Institute Of Allergy And Infectious Diseases2005–2007