More deadly than other types of the flu. what additional piece of evidence create the most complete argument that this year's flu outbreak is particularly debilitating? a the bulk of flu cases have been among senior citizens — those 65 and older — and baby boomers aged 50-64. b "in past seasons that are like this one, we have estimated that by the end of the season, 34 million americans had gotten the flu," jernigan said. c "we anticipate there will be more pediatric deaths this year," he added, saying the actual number of children who have died from the flu so far this season may be twice the current estimate. d "the immunity that was gathered last year may not be enough to prevent another wave of h3n2 this year."