A cure for hepatitis B has been elusive, but this experimental drug gets close

A first-of-its-kind drug for hepatitis B is letting some patients stop treatment without showing signs of the dangerous liver virus, what’s called a “functional cure,” researchers reported Thursday.In two international studies, about 1 in 5 patients given the experimental drug saw their virus reduced to levels low enough for the immune system to keep in check.“We have not had a treatment which has come to this level of cure,” Dr. Seng Gee Lim of the National Univers...