By Sam Elliott-Gibbs Two once-rampant diseases are making an unwelcome return the UK as experts tell Brits to be on the look out for some key symptoms. Scabies saw a surge in cases towards the end of last year as the so called ‘seven-year itch’ made its comeback. Outbreaks of the disease were reported at universities while in some areas the number of reported cases in November were double the average. Scabies is an itchy rash caused by mites and spreads through close skin contact and it’s not the only one rolling back the years. Tuberculosis or TB – also known as “consumption” – caused the dea…