Johns Hopkins Bloomberg School of Public Health Professor and Virologist Andrew Pekosz on coronavirus vaccine trials, an increase in Covid-19 mortality rates, and questions surrounding the return of children to school in the fall.

Experts from the Infectious Diseases Society of America and Johns Hopkins Center for Health Security on what we know about kids and COVID-19.

Inadequate testing and protracted delays in producing results have crippled tracking and hampered efforts to contain major outbreaks in the U.S.

A new study suggests that the immune systems of some people who have not been exposed to the novel coronavirus could have some familiarity with the pathogen.

The colossal impact of the coronavirus is motivating the speed for prospective vaccines, opening a spigot of funding and inspiring research teams around the world to join the hunt.

To assess where the country is heading now, The New York Times interviewed 20 public health experts — not just clinicians and epidemiologists, but also historians and sociologists, because the spread of coronavirus is now influenced as much by human behavior as it is by the pathogen itself.

This brief report from the Center for Health Security at Johns Hopkins Bloomberg School of Public Health describes concrete policy actions at the federal, state, and local levels that are needed to get control of the COVID-19 pandemic in the United States.

Although the ideal COVID-19 vaccine would completely prevent infection, a shot that reduces severe illness and mortality is still a success.

A return to more restrictive shutdowns of businesses and public gatherings is likely necessary in many places, public health leaders say, to bring the number of cases low enough that "test, trace and isolate" can be used to douse epidemic embers.