: ) : This flu season definitely ranks as one of the worst I ' ve seen . Zich : This outbreak is worse than average due to , more than anything , poor timing . He says the time period was the perfect storm for the spread of influenza . Zich : Finally , we need to look at environmental factors . The peak onset of the flu coincided with a time when our immunity was down .
: ) : This flu season definitely ranks as one of the worst I ' ve seen . Zich : This outbreak is worse than average due to , more than anything , poor timing . He says the time period was the perfect storm for the spread of influenza . Zich : The peak onset of the flu coincided with a time when our immunity was down .