The new guidance is likely to have the biggest impact on schools, workplaces and other group settings since more people are likely to be considered at risk.

Dr. Amesh Adalja, senior scholar at the Johns Hopkins Center for Health Security, on why he believes COVID-19 will continue infect new patients every year, similar to the influenza.

After weeks of warnings that cases were again on the rise, a third surge of coronavirus infection has firmly taken hold in the United States.

Blood from the most severely ill COVID-19 patients may be the best for use in convalescent plasma therapy, according to a new study from Johns Hopkins University.

On Thursday, the Vaccines and Related Biological Products Advisory Committee, or VRBPAC, meets for the first time to consider COVID-19 vaccines.

Hopkins expert Jennifer Nuzzo on why the US response to COVID-19 continues along on the wrong path.

Hopkins experts Kyra Grantz and Justin Lessler on overdispersion in the COVID-19 pandemic.

Soon COVID-19 vaccine makers will release early data from large clinical trials, and the results could be ambiguous.

Johns Hopkins Bloomberg School of Public Health Vice Dean Joshua Sharfstein warns that Covid-19 deaths in the U.S. could triple without the right containment strategy. 

After struggling to ramp up coronavirus testing, the U.S. can now screen several million people daily, thanks to a growing supply of rapid tests. But the boom comes with a new challenge: keeping track of the results.

Infectious disease experts have warned that the daily new number of coronavirus cases remains dangerously high and could push even higher ahead of the flu season.

At the current rate of growth, the nation could set a record for new cases in a single week within the first few days of November, according to data compiled by Johns Hopkins University.