The symptoms associated with swine flu (H1N1) typically involve a fever, chills, a cough, a sore throat, muscle or body aches, headaches, and tiredness. If you experience serious warning signs such as trouble breathing, shortness of breath, pressure or pain in the chest, ongoing confusion or dizziness, constant vomiting, or a bluish tint to your lips or skin, you should seek urgent medical care. Reports indicate that the number of H1N1 infections is increasing in Delhi.