PhD
October 13, 2026
The Bidirectional Association of Sleep and Cancer in the Cancer Prevention Study – 3
Sleep is a multidimensional lifestyle behavior essential to human life. Unlike some lifestyle behaviors, sleep is a behavior practiced by all humans, making it a desirable lifestyle behavior to target for disease prevention and survivorship interventions. Prior research elucidating the bidirectional relationship between sleep and cancer has been limited. The objective of this dissertation was…
Polycystic ovary syndrome in Mexico: from adolescence to adulthood
Polycystic ovary syndrome (PCOS) is the most common endocrine disorder among individuals of reproductive age with ovaries, yet in Mexico there is no epidemiologic information or explicit public health policies addressing the condition. Given its high prevalence and burdensome metabolic, reproductive, and psychosocial symptoms, there is a clear need to generate evidence that implementation and…
Black Youth Suicidality Through The Lens Of Intersectionality & Policy
The rate of suicidality (i.e., suicide ideation, nonfatal suicide, and death by suicide) is increasing among Black youth at an alarming rate compared to their non-Black counterparts, pointing to the pivotal demand to investigate the risk and protective factors associated with suicidality in this community. However, there is a notable gap in scholarship examining Black…
Investigations of Influenza Vaccine Effectiveness: Assessing Repeat Vaccination and Illness Duration among Breakthrough Cases
Background: Influenza causes significant morbidity and mortality every year. Our best line of defensive against influenza is vaccination; however, despite decades of study, questions remain about the full impact of the vaccine. Influenza viruses undergo antigenic drift, requiring annual updates to the vaccine composition. Consequently, the effectiveness of the influenza vaccine differs year to year….
Streptococcus pneumoniae carriage and antimicrobial resistance among Kenyan children discharged from hospital
Streptococcus pneumoniae is a leading cause of morbidity and mortality among children under five in sub-Saharan Africa, particularly in the vulnerable period following hospital discharge. This dissertation investigates the dynamics of pneumococcal carriage and antimicrobial resistance (AMR) in this high-risk population through a series of analyses nested within the Toto Bora trial, a randomized, placebo-controlled…
May 11, 2026
Hannah Han
Hannah Han is a PhD candidate in the Department of Epidemiology. She received an ScM in Infectious Epidemiology from the Johns Hopkins Bloomberg School of Public Health in 2017. Her dissertation focuses on evaluating the safety of HIV PrEP use in pregnancy and postpartum and optimizing implementation of STI testing among pregnant women initiating PrEP…
January 25, 2026
Chidozie Declan Iwu
Chidozie is a microbial disease epidemiologist and a PhD Epidemiology student at the University of Washington. He holds an MSc in Microbiology and MPH in Epidemiology and Disease Control from South Africa. His research interest is focused on the epidemiology of emerging/re-emerging microbial diseases, respiratory disease surveillance, vaccines, antimicrobial resistance and global disease burden.
September 25, 2025
Andrew Hoover
Andrew Hoover is a PhD student in the Department of Epidemiology at the University of Washington. He completed his Master of Science in Environmental Health Sciences and Bachelor of Science in Public Health Sciences at the University of Michigan School of Public Health. He is interested in understanding and mitigating the health effects that socially…
September 19, 2025
Ananya Iyengar
Ananya Iyengar is a PhD student in the Department of Epidemiology at the University of Washington-Seattle. She is interested in infectious disease epidemiology in global LMICs, reducing transmission of vaccine-preventable illnesses, improving healthcare access, and drugs and therapeutics development. She received a Master of Science in Public Health in Global Disease Epidemiology and Control from…
September 18, 2025
Nada Ali
Nada Ali is a PhD student in Epidemiology at the University of Washington, focusing on injury and violence research, particularly intimate partner violence. She earned her Bachelor of Science in Dental Medicine and Surgery from Cairo University and her MPH in Health Policy with a minor in Emergency Preparedness from Drexel University. Nada is deeply…
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