Live birds infected with highly pathogenic avian influenza (HPAI, or bird flu) can infect humans.

如果高致病禽流感(HPAI或禽流感)病毒转移到了人类当中，那么感染该病毒的活禽可引发流感大流行。

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Certain cultural habits, such as purchasing live birds at local markets and slaughtering at home, also involve moments of intensive contact.

某些文化传统，如在当地市场购买活禽，然后在家中进行宰杀，也会带来密切接触。

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Even people who have no contact with live birds may have direct contact with their products, through the consumption of poultry meat and eggs.

甚至没有接触活禽的人群都有可能通过消费禽肉和禽蛋直接接触到活禽的产品。

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Many animals and birds live around Lake Champlain.

VOA: special.2009.01.05

And assurances from the World Health Organisation that only live birds can pass on the illness will cut little ice.

BBC: Fowl flu takes nuggets off the menu

The younger man was a butcher who worked in a market where live birds were sold, although he did not butcher any birds.

CNN: New bird flu well-adapted to infect people

The authorities in Shanghai, where four deaths were recorded, have closed three poultry markets and banned the import of all live birds into the city.

BBC: China steps up bird flu precautions