Those with CLL in Australia are eligible for a free flu vaccination. Given it takes several weeks to become effective and there are early indications that this year could be severe, book your vaccination ASAP!
Department of Health Influenza Fact Sheet for Immunisation Providers:
Professor Raina MacIntyre provides background on Influenza, how this year's vaccine is formulated and lots of other interesting related information - including the fact that vaccination can also protect against heart attacks!
Accompanying picture is of a Musk Duck, sharpened to 95% using GIMP