The alarming surge in shingles cases among midlife women: It was once seen as a painful disease of old age, but experts reveal why it's now soaring through different ages - and what it means long-term ⊖⊖

Science researcher Alix Fox had suffered shingles in her 20s, so when the early symptoms - a tingling pain in her face - returned a decade later, she thought a diagnosis would be straightforward.