These microscopic mites, which burrow under your skin and cause ferocious itching, are incredibly hard to get rid of – and cases in the UK have soared. What is causing the outbreak, and is there anything we can do about it? These microscopic mites, which burrow under your skin and cause ferocious itching, are incredibly hard to get rid of – and cases in the UK have soared. What is causing the outbreak, and is there anything we can do about it? L ouise (not her real name) is listing the contents