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What are the most important things to know about swine flu?
assistant
1.  The most important thing to know about swine flu is that it can be very serious and even fatal in some cases, so it's important to take precautions like washing your hands frequently and avoiding close contact with people who have been diagnosed with the virus.
2.  Swine flu is also highly contagious, which means it spreads easily from person-to-person through coughing, sneezing, and other forms of direct contact.