<|system|>You are an AI assistant. You will be given a task. You must generate a detailed and long answer.<|end|>
<|user|>the bird flu that has raced through chicken farms in asia and killed at least three people in vietnam could become a bigger problem for the region than sars , the world health organization said wednesday .

Write a brief summary in a sentence or less.<|end|>
<|assistant|>The bird flu outbreak in Asia's chicken farms, causing at least three human fatalities in Vietnam, may pose a larger threat than SARS, warns the World Health Organization.<|endoftext|>