在病毒爆发期间支付了大约15亿美元（大多数是以赠款形式），用于动物卫生、流行病预防、以及被迫销毁家禽的农民的补偿。
About $1.5 billion, mostly in grants, was disbursed during virus outbreaks and used for animal health, pandemic preparedness, and compensation for farmers forced to destroy poultry stocks.
流行病学调查揭示接触受感染家禽为这两例的可能感染源。
Epidemiological investigations uncovered exposure to infected poultry as the likely source of infection in both cases.
没有流行病学证明显示，有人在食用经妥善烹煮的家禽或蛋类后感染H5N1型病毒。
There is no epidemiological evidence to indicate that people have been infected with H5N1 virus following consumption of properly cooked poultry or eggs.
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