This finding marks the first documented infection of this species with an avian influenza virus.

这一发现标志着首次记载了这一物种感染了一种禽流感病毒。

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Rabies in ferrets has a relatively low number of documented cases in the United States (less than 20 since the 1950s), and infection worldwide is fairly rare.

貂宝宝感染狂犬病的几率是非常小的，从1950年到现在，记录在案的美国貂儿感染狂犬的案例少于20例。

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Interaction of infection and malnutrition is well-documented.

交互感染和营养不良是证据确凿的。

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There have also been rare documented cases of humans passing the infection to other humans.

BBC: Experts probe deadly Mexico flu

From December 2005 to February 2009, 12 cases of human infection with swine flu were documented.

CNN: CDC confirms 7 cases of swine flu in humans

Since 1991, only three cases of dental infection in patients have been documented -- two with hepatitis B and one with HIV, according to the CDC.

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