Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Focus on Asian bird flu outbreaks, not pigs: WHO BEIJING - International health experts are downplaying reports that a strain of bird flu has been found in pigs, saying outbreaks among poultry in Thailand and Malaysia are more worrisome.

World