STIs: Why is syphilis is on the rise?Syphilis might be more commonly associated with centuries past. But it's been on the rise for the past decade in England, with more cases last year than in any year since 1949. The disease was, in effect, eradicated in the UK in the mid-80s only to re-emerge around 1999. BBC Reality Check wanted to know why this ancient disease is rearing its head in England in the 21st Century.
