The flu has several variants, and may be perceived differently from one person to another. The flu has symptoms muscle, stomach flu presents others. Symptoms of influenza can cause different results because people do not all react the same way a virus. Some will return ten days without power, will hurt all over and suffer from headaches. Other cons are in a little shot, but still arrive at work. The strength of the immune system is very much on the damage caused by the influenza virus, the ugly that is changing and comes back every year to test our antibodies! For you there, here are the differences between the flu and colds:

Cold symptoms:
- Print fatigue
- Coughing, sneezing
- Runny nose
- Very little fever, most of the time she is absent or very low
- Possibility of muscle aches, dry throat or sore throat
- Watery eyes and headaches can be added to the symptoms
- Duration: 3 to 4 days. On rare occasion, colds can last up to 10 days

Symptoms of the flu (influenza):
- Start at once and spread throughout the body
- High fever (up to 40 degrees) for 3 to 5 days
- Feeling of weakness and fatigue
- Dry cough
- Runny nose
- Chills and aching muscles
- Severe headache and sore throat
- Persistent cough and fatigue for up to 3 weeks

These viruses (over 100 varieties) that are responsible for colds. For influenza, only a few viruses are the culprits each year. That is why vaccines are made to the flu and not for colds. The cold viruses are too numerous to design a vaccine that is effective in all cases.

How is influenza A (H1N1) is it different? This virus has crossed the species barrier. It may affect as some animals such as pigs, than humans. The new influenza virus contains genes known origins of avian, swine and human. Nevertheless, the ordinary flu, we know that every year kill thousands of people around the world, especially people with a weakened immune system (the elderly, people with chronic illness, etc). As such, influenza A (H1N1) is no more nor less dangerous than ordinary flu. Most people who have suffered mild symptoms. Countries developing by cons can be more severely affected, as is also the case with ordinary flu. In addition to the symptoms of ordinary flu, influenza A (H1N1) may cause diarrhea and severe vomiting. Two influenza can be effective against this strain of flu: Tamiflu and Relenza. If you think you have contracted influenza A (H1N1), you can consult your doctor if symptoms worsen.