Recent Examples on the WebRussell Foster, a professor of circadian neuroscience at the University of Oxford, said Ekirch's findings on biphasic sleep, while not without controversy, had informed his work as a sleep scientist. Katie Hunt, CNN, 9 Jan. 2022 One worrisome possibility is that the coronavirus follows what is known as a biphasic infection: the virus persists and causes a different set of symptoms than observed in the initial bout. Apoorva Mandavilli, New York Times, 10 Mar. 2020 A typical feature of ODS is the biphasic presentation. Maryn Mckenna, WIRED, 27 Jan. 2011