Epidemiology
How and why diseases and injuries occur in different populations, and informing prevention and control measures
Epidemiology Headlines
Explore the latest public health research and insights about epidemiology.
Noted Biostatistician and Epidemiologist Jim Tonascia Retires
Jim Tonascia, whose public health career in biostatistics and epidemiology spanned more than five decades, retired from the Bloomberg School of Public Health this August.
Epidemiology Faculty Experts
Looking for prominent experts in the field of epidemiology? They're here at the Bloomberg School of Public Health.
![David Celentano David Celentano](/https/publichealth.jhu.edu/sites/default/files/styles/people_card_360/public/images/122.jpg?h=b907dea2&itok=LWbTbbuA)
David Celentano, ScD ’77, MHS ’75, is an infectious disease epidemiologist who researches behavioral risk factors for HIV/AIDS, STIs, and other infections.
![Elizabeth Platz Elizabeth Platz](/https/publichealth.jhu.edu/sites/default/files/styles/people_card_360/public/images/554.jpg?h=8687afe1&itok=xeiVefM0)
Elizabeth A. Platz, ScD, MPH, uses molecular epidemiology to understand the mechanisms of cancer incidence and progression to identify prevention and treatment strategies.
![](/https/publichealth.jhu.edu/sites/default/files/styles/people_card_360/public/2024-07/althoff20232b.jpg?h=d7b6a2f6&itok=eEmgjn9W)
Keri N Althoff, PhD '08, MPH '05, uses large-scale longitudinal data to answer otherwise unanswerable questions and improve health, particularly for populations underrepresented in research.
![David Dowdy David Dowdy](/https/publichealth.jhu.edu/sites/default/files/styles/people_card_360/public/images/2529.jpg?h=f2fcf546&itok=H25rcbGc)
David Dowdy, MD, PhD ’08, ScM ’02, studies the implementation of interventions to fight tuberculosis, the world's most deadly infectious disease.