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Linda Niccolai, PhD

Associate Dean for Academic Affairs and Professor of Epidemiology (Microbial Diseases); Affiliated Faculty, Yale Institute for Global Health; Director, HPV Working Group at Yale; Director, CT Emerging Infections Program at Yale, Epidemiology of Microbial Diseases

Contact Information

Linda Niccolai, PhD

Office Location

Mailing Address

  • Epidemiology of Microbial Diseases

    PO Box 208034, 60 College Street

    New Haven, CT 06520-8034

    United States

Research Summary

Professor Niccolai is an epidemiologist whose research is primarily focused on sexually transmitted infections (STI), including HIV. Her main area of interest is in behavioral aspects of HIV/STI prevention. Currently, Professor Niccolai is involved in several areas of research. Her main area of research is studying uptake and impact of human papillomavirus vaccines with an emphasis on addressing health disparities. She is the Project Director of a surveillance program to monitor impact of the human papillomavirus vaccine with the Connecticut Emerging Infections Program. She is also the Principal Investigator of a mixed-methods study to identify barriers to HPV vaccination among low-income minority populations. She is currently working to identify opportunities to increase uptake in CT.

Specialized Terms: Sexually transmitted infections; Human papillomavirus vaccine; HIV; Epidemiologic methods; Qualitative research

Extensive Research Description

Linda Niccolai is a professor in the Department of Epidemiology of Microbial Diseases at the Yale School of Public Health. She is Co-director of the Connecticut Emerging Infections Program at Yale and Director of the Development Core for Yale School of Public Health’s Center for Interdisciplinary Research on AIDS. Her research focuses on sexually transmitted infections, including HPV and HIV. Dr. Niccolai is the principal investigator of project to monitor vaccine impact for human papillomavirus (funded by CDC) and also PI of an NIH-funded mixed methods study to assess barriers to uptake of HPV vaccine.

Linda Niccolai received her Sc.M. at Harvard School of Public Health and her Ph.D. at Tulane University. She is the recipient of Connecticut Infectious Disease Society Thorton Award for Best Poster Presentation in Clinical Research in Infectious Disease and Award for Excellence in Teaching at YSPH.

  • Monitoring Impact of Human Papillomavirus Vaccine in Connecticut
  • Identifying and Quantifying Barriers to Uptake of HPV vaccine
  • Feasibility of a school-based intervention for HPV vaccination
  • Increasing HPV vaccination coverage among adolescents in Connecticut
  • Social determinants of HIV risk


Research Interests

Epidemiologic Methods; Epidemiology; HIV; Sexually Transmitted Diseases; Vaccines; Communicable Diseases, Emerging; Qualitative Research; Human papillomavirus 11

Public Health Interests

Cancer; Community Health; Environmental Health; Epidemiology Methods; GIS/Disease Mapping; HIV/AIDS; Infectious Diseases; Maternal & Child Health; Community Engagement; Sexually-Transmitted Infections; Vaccines; Child/Adolescent Health; Health Equity, Disparities, Social Determinants and Justice; COVID-19

Selected Publications