How are the regular flu and swine flu distinguished from each other?

Seasonal v swine flu: Swine flu typically presents with rapid onset (3 to 5 hours) with a fever (, > 100°), chills, headache, severe aches and pain, fatigue, nasal congestion, sneezing, sore throat, coughing, diarrhea and possibly vomiting. Seasonal flu usually presents over several days with a high fever (102-104°); with severe muscle aches & pains, exhaustion, non-productive cough with nasal congestion, sneezing>>.

Check it out: This is the best I have seen to help differentiate:http://www.Newmilfordschools.Org/gibbs/nurse/cold_flu_swine_flu.Pdf.