Infectious Diseases

An analysis of publicly available data on infections from the new coronavirus, SARS-CoV-2, that causes the respiratory illness COVID-19 yielded an estimate of 5.1 days for the median disease incubation period, according to a new JHSPH-led study.

It’s one of the most contagious diseases in the world. We have a very effective vaccine that protects us—but vaccines only work if they are used. William Moss of the International Vaccine Access Center answers some basic questions.

It’s not too late to get a flu shot. The vaccine has been available since October, but flu season typically doesn’t reach its height until February. And the season can linger until May.

Chris Beyrer, Anthony Fauci, and John T. Brooks on the science that makes it possible to end the HIV epidemic and the challenges to actual implementation.

The Great Alaskan Earthquake of 1964 and the tsunamis it spawned may have washed a tropical fungus ashore, leading to a subsequent outbreak of often-fatal infections among people in coastal regions of the Pacific Northwest.