Classroom Questions Questions for “Tackling the novel coronavirus calls for novel ideas” A patch with tiny needles could deliver a future COVID-19 vaccine. The patch would go on like a Band-Aid and release the vaccine into the skin to trigger an immune response. University of Pittsburgh Share this:FacebookTwitterRedditGoogle ClassroomEmailPrint By Science News for Students May 7, 2020 at 6:30 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.