Archived articles

epidemiology

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.
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
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
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
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
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
Mask hysteria?
Wearing a mask protects you and those around you
Published Aug 24, 2020
New research co-led by a Johns Hopkins researcher suggests face coverings reduce viral exposure, limiting both transmission and severe disease. But is that evidence enough to turn the tide of public opinion now that masks have become politicized?
Q+A
Asymptomatic spread makes COVID-19 hard to contain
Published May 12, 2020
Immunologist Gigi Gronvall discusses the challenges of tracing the spread of coronavirus, the importance of testing, and the dangerous appeal of "immunity passports"
Q+A
The long road to herd immunity
Published April 30, 2020
Achieving herd protection can stop the spread of an infectious disease within a population, but as Bloomberg School experts explain, the U.S. is nowhere near that point with SARS-CoV-2, and getting there could prove difficult
COVID-19
Hopkins team launches temperature-tracking study and app
Published April 30, 2020
The app, now available in the Apple App Store and on Google Play, will help reveal health trends and potential disease outbreaks