了解H5N1感染的早期临床症状，但同时清楚，许多其它危害不大的常见疾病也会显示类似的早期症状。
Be aware of the early clinical signs of H5N1 infection, but also understand that many other common diseases - of far less health concern - will show similar early symptoms.
“有一类特定人群，尸检过程中脑中有相同的病理学特征，但某些原因使这种病不显示临床症状，”Iacono说。
“There’s a special group of people who at autopsy have the same amount of pathology in the brain, but for some reason don’t show any clinical manifestations of the disease,” Iacono said.
但临床试验没有显示对这类患者进行治疗有好处。
But clinical trials don't show a benefit from treating such patients.
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