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Epidemiology

Professional headshot of Derek Cummings.
Infectious disease
Epidemiologist Derek Cummings returns to JHU
Published July 17, 2025
As the Bloomberg Distinguished Professor of Infectious Disease Dynamics, Cummings will investigate the transmission of diseases to develop interventions
A view of the U.S. at night, as seen from space; the Earth's curvature is clearly visible at the top of the image
Public health
JHU experts play lead roles in epidemic preparedness project
Published Sept 19, 2023
Center for Health Security, others from across Hopkins receive CDC funding to help communities prepare for future emerging health threats
Masked and unmasked pedestrians cross a busy intersection
Endemic COVID
What does the new CDC guidance tell us about the COVID-19 pandemic?
Published Aug 15, 2022
Johns Hopkins epidemiologist David Dowdy says the guidance update brings the CDC in line with the habits of Americans and suggests we're closer to a new, endemic phase of COVID-19
Monkeypox virus
Voices
What you need to know about monkeypox
Published May 24, 2022
As monkeypox spreads beyond the expected areas, an infectious disease expert offers insight on how the virus spreads—and why it shouldn't be a cause for alarm
Artist's rendering of a double helix DNA strand
Protein power
Study probes the relationship between genetics, proteins, and disease risk
Published May 11, 2022
A groundbreaking collaborative study led by Johns Hopkins researchers has uncovered novel insights into genetic determinants of health and generated data that could lead to a better understanding of racial health disparities
Kenrad Nelson
In memoriam
Epidemiologist and AIDS expert Kenrad Nelson dies at 89
Published May 4, 2022
He spent 36 years on the Johns Hopkins faculty and contributed pioneering research to the fields of epidemiology and infectious diseases
Baltimore skyline
Q+A
What is guaranteed income?
Published April 26, 2022
As Baltimore announces a pilot program to provide cash payments to its poorest residents, experts on the health effects of poverty discuss guaranteed income programs and their impact on public health
A masked person
Epidemiology
Basic public health interventions important to reducing omicron spread
Published Dec 15, 2021
Epidemiologist Chris Beyrer suggests that in addition to sharing effective vaccines around the world, basic practices such as masking and providing paid sick leave will help reduce the spread of coronavirus / Barron's
Chris Wilhelm
Public health
Young people, long COVID
Published Nov 30, 2021
As many as 1 in 10 young people struggle for months after SARS-CoV-2 infection
Blood pressure cuff
Pregnancy
Higher selenium and manganese levels during pregnancy may protect babies from future high blood pressure
Published June 29, 2021
Manganese may also protect against the hypertensive effect of the heavy metal cadmium