Is Taylor Swift’s 'Patient Zero' about Sophie Turner and Joe Jonas?

For Swifties, a new Taylor Swift song is rarely just a new song. It’s more of an invitation to revisit old interviews, scan the lyrics for familiar details, and ask who might have been in the room — or at least in her life — when she wrote it."Patient Zero," released Friday, Sept. 25, has given fans a fresh case. The song imagines a woman hearing from someone who is now dating her ex, and one theory keeps coming up…