Nicola P. Klein

Twitter (United States) — United States

Social Sciences · Social Sciences

72h-index19.4kcitations437works11.42yr avg
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Research Topics

Vaccine Coverage and Hesitancy(175), Influenza Virus Research Studies(136), SARS-CoV-2 and COVID-19 Research(104), Bacterial Infections and Vaccines(82), Respiratory viral infections research(77)

Publications436 total

Effectiveness of 2023–2024 Coronavirus Disease 2019 (COVID-19) Vaccines in Pregnant Women
Obstetrics and Gynecology·2025
Effectiveness of 2024–2025 COVID-19 Vaccines in Children in the United States — VISION, August 29, 2024–September 2, 2025
MMWR Morbidity and Mortality Weekly Report·2025· 3 citedOpen Access
In a shifting policy era: California provider knowledge and practice of medical exemption laws during the COVID-19 pandemic
Vaccine·2025Open Access
Effectiveness of 2023–2024 COVID-19 Vaccines in Children in the United States
PEDIATRICS·2025· 1 cited
Effectiveness of 5-pertussis-component tetanus, diphtheria, and acellular pertussis (Tdap5) vaccination in pregnancy at preventing infant pertussis
American Journal of Obstetrics and Gynecology·2025
Near real-time surveillance and tree-based data mining to assess the safety of respiratory syncytial virus vaccines in older adults in the vaccine safety datalink
Vaccine·2025· 1 citedOpen Access
Clinical immunization safety assessment (CISA) project: COVID-19 vaccine consultations and case reviews
Vaccine·2025Open Access
A review of methodologic & data considerations for vaccine safety surveillance in the wake of the COVID-19 pandemic
Vaccine·2025
Risk of Immune Thrombocytopenic Purpura Recurrence Following Second Measles-Containing Vaccine Dose
PEDIATRICS·2025· 1 cited
Effectiveness of Nirsevimab Against RSV and RSV-Related Events in Infants
PEDIATRICS·2025· 9 citedOpen Access
Effectiveness of 2023–2024 seasonal influenza vaccine against influenza-associated emergency department and urgent care encounters among pregnant and non-pregnant women of reproductive age
Vaccine·2025· 3 citedOpen Access
Dynamics of Respiratory Syncytial Virus Illness and Serology During Pregnancy and Infancy in the United States and South Africa
Open Forum Infectious Diseases·2025· 1 citedOpen Access
Influenza Vaccination During Pregnancy and Infant Influenza in the First 6 Months of Life
Obstetrics and Gynecology·2025· 2 cited
Estimated 2023-2024 COVID-19 Vaccine Effectiveness in Adults
JAMA Network Open·2025· 16 citedOpen Access
Corrigendum to ‘Safety of quadrivalent recombinant influenza vaccine in pregnant persons and their infants’ [AJOG Global Reports Volume 4, Issue 4, November 2024, 100395]
AJOG Global Reports·2025Open Access
Recombinant Zoster Vaccination and Risk of Postherpetic Neuralgia or Zoster Ophthalmicus
JAMA Network Open·2025· 2 citedOpen Access
Coronavirus Disease 2019 (COVID-19) Vaccination and Spontaneous Abortion
Obstetrics and Gynecology·2025· 3 citedOpen Access
Patterns in Prescribing and Dispensing Influenza Antivirals Among Adults With Influenza Presenting to Urgent Care and Emergency Department Settings: VISION Network, 2023–2024
Clinical Infectious Diseases·2025· 3 citedOpen Access
COVID-19 and Completion of Select Routine Childhood Vaccinations
PEDIATRICS·2025· 2 cited
Interim Estimates of 2024–2025 COVID-19 Vaccine Effectiveness Among Adults Aged ≥18 Years — VISION and IVY Networks, September 2024–January 2025
MMWR Morbidity and Mortality Weekly Report·2025· 54 citedOpen Access
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Frequent Co-authors

Allison L. Naleway(25), Bruce Fireman(21), Eric Weintraub(16), Ned Lewis(14), Stephanie A. Irving(14), Kristin Goddard(12), Simon J. Hambidge(12), Malini B. DeSilva(11), Ousseny Zerbo(10), Roger Baxter(10), Mark G. Thompson(10), Edward Stenehjem(10), Shaun J. Grannis(10), Toan C. Ong(10), Karthik Natarajan(10), Jason M. Glanz(9), Kristin Dascomb(9), Suchitra Rao(9), Jungmi Han(9), Nancy Grisel(9)