Zich : a bad year definitely ranks as three of the worst I 've seen . There is no supervirus . Zich : This outbreak is worse than average due to , more than anything , poor timing . He says the holiday period was the perfect storm for the spread of CNN . David Zich : The peak onset of the flu coincided with a time when our immunity was down .
Zich : a bad year definitely ranks as three of the worst I 've seen . Zich : This outbreak is worse than average due to , more than anything , poor timing . He says the holiday period was the perfect storm for the spread of CNN . David Zich : The peak onset of the flu coincided with a time when our immunity was down .