Following initial infection, approximately 80% of people do not exhibit any symptoms.

最初被感染后，大约80%的人并不会出现任何症状。

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The first few weeks after initial infection, individuals may experience no symptoms or a flu-like illness including fever, headache, rash or sore throat.

在感染后最初几周可能毫无症状，或出现发热、头痛、皮疹或咽痛等流感样疾病症状。

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Penicillin given when the initial infection is diagnosed can prevent it.

初期感染经诊断使用青霉素治疗后可预防风湿热发作。

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The arrests themselves, in Mr Drucker's telling, represent an initial infection of sorts.

ECONOMIST: A look at America's sentencing system

The virus is thought to have originated in bats, but how the initial infection gets passed to humans remains a mystery.

BBC: Threat from novel coronavirus 'remains low'

Initial infection is with a drive-by download on an otherwise innocent site.

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