The illness caused by the various influenza viruses are known as flu. Some of the types of flu include H1N1 (swine flu), H5N1 (bird flu) and seasonal flu. The swine flu virus is similar to that of the seasonal flu. The only difference is that most of the people do not have immunity since the H1N1 virus is new. The symptoms of the swine flu virus include fever, cough, body aches, sore throat, headache, chills and fatigue. Some of the other symptoms reported by the people are diarrhea and vomiting.

These viruses also lead to severe illness, respiratory failure, pneumonia and finally results in death. Some of the symptoms of the swine flu virus in children include fast breathing, severe vomiting, bluish or gray skin color, extreme tiredness, worse cough and fever. Proper medical treatment should be given to children when these symptoms are found in them. The symptoms of swine flu virus in adult include sudden dizziness, persistent vomiting, and pain in the chest region followed by bluish nails, continuous sneeze, cough and cold. Swine flu is highly risky to pregnant women, children and adults with obesity, people with chronic medical problems like lung disease, asthma, immunosuppresion, cardiovascular disease and diabetes. Some of the symptoms found in the children are fall allergies, strep throat, common cold and sinus infection. Swine flu spreads from one person to another through continuous coughing and sneezing. Droplets from a sneeze or cough may prevail in the glasses, doors, wash basins, television and telephones. These germs prevail only for a short span of time.