Classroom Questions Questions for ‘Mystery disease is killing Caribbean corals’ Maze corals on Flat Cay reef near St. Thomas in the U.S. Virgin Islands. Lesions expose the corals’ stark white skeleton. A deadly new disease is to blame — and it's spreading through the Caribbean. M. Brandt Share this:FacebookTwitterRedditGoogle ClassroomEmailPrint By Science News for Students August 29, 2019 at 5:30 am Classroom questions are available for free with registration. Learn more Register to access: Client key* E-mail* Log in Already Registered? Enter your e-mail address above.