Further to our previous post on the chancy effectiveness of this year’s flu shot is a report (above) from the CBC. It contains more with Dr. Michael Gardam of Toronto and other experts. This time it’s about how previous flu shots may tend to make any current injection less effective than it would be if the patient had not had those previous shots. It is a maddening little trap out of which there appears to be no useful escape. A helpful thought from Dr. Gardam is that he continues to get his shot annually, not withstanding this curious problem.
