The internet has raised over £12,000 for a shop owner with leukemia who had to close his shop for treatment. Michael Allen said he must isolate for months and his business break insurance does not cover cancer. TEMPORARILY CLOSED. I HAVE LEUKAEMIA. I AM NOW IN HOSPITAL, THEN I HAVE TO ISOLATE FOR 6 MONTHS. MY SHOP WILL BE CLOSED FOR ABOUT 9 MONTHS.