H1N1 (referred to as “swine flu” early on) is a new influenza virus causing illness in people. Symptoms of swine flu are similar to those caused by other influenza viruses. Health authorities across the globe are taking steps to try to stem the spread of swine flu after outbreaks in Mexico and the United States. The World Health Organization has called it a "public health emergency of international concern."
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H1N1 (referred to as “swine flu” early on) is a new influenza virus causing illness in people. Symptoms of swine flu are similar to those caused by other influenza viruses. Health authorities across the globe are taking steps to try to stem the spread of swine flu after outbreaks in Mexico and the United States. The World Health Organization has called it a "public health emergency of international concern."
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