Archived articles

Gigi gronvall

War in ukraine
The ongoing crisis in Ukraine
Published March 31, 2022
Five Johns Hopkins experts discuss the near- and long-term global consequences of the conflict, including supply chain disruption, humanitarian disaster, and the heightened potential for a broader war
Omicron tests the limits of COVID-19 testing
Published Dec 22, 2021
The U.S. is still on its heels when it comes to COVID-19 testing. Will mailing free at-home tests make a difference? Immunologist Gigi Gronvall explains