Swine flu is an influenza virus. It combines birds, swine and common human influenza. The recent outbreak of swine flu in Mexico and its rapid spread to other countries is now a major threat to global health. Swine flu is a contagious disease and it spreads from person to person. The symptoms of this disease are fever, cough, sore in throat, pain on body, headache etc. A swine flu patient may be attacked with diarrhea and may have
vomiting tendency. Severe illness an deaths have occurred as a result of this dangerous disease. Swine flu viruses are spread mainly though coughing or sneezing flu spreads. To prevent the spread of this disease people should keep their hands health. It is also essential to cover our nose and mouth with a piece of tissue paper or handkerchief or cloth. Swine flu is an incurable disease. Medicines are not yet available to fight the disease. But all should bear in mind that prevention is better than cure. That means all should be cautious so that the virus cannot spread any more.