How to distinguish between a regular flu and influenza A?

• Fever: Regular flu, or a cold, can raise the body temperature to 39 degrees Celsius gradually. Influenza A, also known as swine flu, leads to a sudden increase in the temperature, normally above 39 degrees.

• Swine flu has a persistent dry cough.

• Headaches are much stronger with influenza A, as well as muscular pains and sore eyes.

• While chills are less frequent with regular colds, or flu, they are constant with swine flu.

• Tiredness and fatigue are more pronounced with the new virus.

• Sore throats are less painful with swine flu

• Mucus is less common with influenza A