So, my brother was diagnosed with CLL about 10 years ago. He was 'watch & wait' until about 6 months ago when his WBC exploded and his spleen grew very large. They put him on a chemo schedule and has had 5 treatments so far, with another 3 or 4 to go. He now has C-diff and is in the hospital on IV antibiotics and his next chemo treatment (which was supposed to be next week) has been postponed indefinitely until they get the C-diff under control. Does anyone know much about this? How bad is c-diff? and how bad is it that his chemo will be delayed? will any progress be lost? I don't live near him and it's hard to get the details from him and I'm just lost.