ys lllieze l121: eel lilel -eel always to lelieze l121: eel lilel -eel always to get optimal.ction is better than none. if you look at what we are starting to see, we don't know until the end of the year, but the vaccine efficacy does not seem to be optimal, it is rather low. why don't we know what kind of vaccine to produce a particular yea r‘s vaccine to produce a particular year's strand of flu this ——? vaccine to produce a particular year's strand of flu this --? we had mishap something happened this year that's. .. most of mishap something happened this year that's... most of the vaccine that is distributed in the knighted states and canada is made by growing the virus in eggs so that we can make it into a vaccine. what happened this year is that when the virus was put into the eggs to make it for a vaccine. virus was put into the eggs to make it for a vaccine to well