1. Swine flu is a respiratory disease of pigs. 2. Although swine flu viruses don't normally infect people, it can happen. Usually it's because humans have been exposed to an infected pig. 3. Symptoms of swine flu in people include fever, lethargy, lack of appetite and coughing. 4. There is no evidence you can get swine flu from eating pork. 5. There are three antiviral drugs approved in the U.S. to treat swine flu: oseltamivir, peramivir and zanamivir.