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Epidemiology

Hospital corridor
Long Covid
Study probes the 'long-haul' effects of COVID-19
Published March 22, 2021
Headed by a team of university epidemiologists, the Johns Hopkins COVID Long Study seeks to uncover answers about why some people suffer long-term effects of COVID-19 infection
Pigs in confinement in factory farm
Public Health
Researchers detect evidence of drug-resistant staph bacteria spreading between animals and humans
Published March 11, 2021
Findings from DNA-sequencing study of humans and factory farm-raised pigs in North Carolina raise public health concerns
Illustration of a vaccine, mRNA, a virus particle, and erlenmeyer flask
Vaccine platforms
For mRNA vaccines, COVID-19 is just the beginning
Published Feb 15, 2021
Easy to manufacture and update, these new vaccines may be a powerful tool against emerging variants and other infectious diseases
Two face masks with two heart-shaped blocks
Public health
Dating in the time of COVID-19
Published Jan 26, 2021 Video
It may look different during a pandemic, but safe practices make dating work for single people—and perhaps bring added benefits
A health care worker is vaccinated
Q+A
Side effects and COVID-19 vaccines: What to expect
Published Dec 18, 2020
It's totally normal to experience side effects from COVID-19 vaccines. Here's what you need to know.
Contact tracing course icon
COVID-19
Bloomberg School contact tracing course tops 1M enrollees
Published Nov 17, 2020
More than 520,000 people have completed the free course that teaches the basics of a key tool in the fight against COVID-19
Antibodies bind to a coronavirus cell
Antibody testing
New saliva-based antibody test for SARS-CoV-2 highly accurate in initial study
Published Nov 13, 2020
The test could prove useful for large-scale screening and epidemiological surveys and cuts down on reliance on blood draws
Lady Justice against a background of coronavirus particles
A carceral crisis
Published Oct 15, 2020
A new report published by Johns Hopkins provides recommendations for preventing the spread of COVID-19 in the criminal justice system
Blood pressure cuff hanging on doctor's office wall
Health care
Study highlights shortcomings in telemedicine
Published Oct 13, 2020
Despite large increases in remote consults during COVID-19 pandemic, the number of blood pressure checks cut in half and cholesterol checks dropped by more than a third
Patients and nurses in a hospital intensive care unit
Q+A
Excess deaths show the true impact of COVID-19 in the U.S.
Published Sept 1, 2020
Epidemiologist Justin Lessler unpacks a recent CDC report on comorbidities and coronavirus deaths that is being misinterpreted on social media