Summary: Featuring articles on repurposed antiviral drugs for Covid-19, a tirbanibulin ointment for actinic keratosis, a vestibular implant for bilateral vestibular hypofunction, antibodies and SARS-CoV-2 infection in health workers, a randomized trial of an HCV vaccine regimen, and regulatory T cells in multiple sclerosis; a review article on circadian mechanisms in medicine; a case report of a woman with dyspnea on exertion and abnormal findings on chest imaging; and Perspective articles on the future of drug-pricing transparency, on a shared evaluation platform for medical training, and on lessons from the Irish wake. Supplement to the New England Journal of Medicine, Vol. 384, No. 6.
