Mikeythorn
Explorer
I don't know if I'd call this official. No input from an actual doctor... just a reporter speaking to a woman who says she has caught it a second time. Maybe it's true, and the reporting is just sloppy, but at face value, this isn't official.
A single case of reinfection is pretty meaningless. For a start, one of those tests could easily have been a false-positive. Secondly, there are always exceptions to the rule when it comes to illness. Having measles is meant to provide lifelong immunity to that disease, but there are a tiny number of people who get it twice. I know, because I was one of those.