A clinical specimen from Lewis 'body was sent to the US Centers for Disease Control and Prevention, where H1N1 was found in it. The discovery greatly alarmed disease prevention officials, because the 1918 flu outbreak that had killed 40 million people was H1N1. They were concerned that Lewis' death was a harbinger of an epidemic to come.
大衛的檢體送交美國疾病管制中心檢驗後發現有豬流感病毒，讓防疫官員大為緊張，因為 1918 年造成全球 4,000 萬人喪生的正是豬流感，防疫專家擔心，這會不會是致命流感再次來襲的前兆？