The flu or Influenza is an extremely contagious and air borne disease spread through virus.  You can even catch the disease from being in close proximity to the infected. The symptoms starts showing up 1-2 days after you have been infected and you may even spread the virus before you know you are infected. The symptoms include 

  • Cough
  • Cold
  • Sore Throat
  • High Temperature
  • Joint Ache
  • Headache
  • Nausea
  • Vomiting

In most cases the flu is mistreated for the common cold. World Health Organization believes that over 200,000 people are hospitalized every year by the infection and out of this 35,000 are estimated to die as a result of it. Antibiotics are ineffective as it is a virus disease. The best possible means of prevention is to get vaccinated every year. In majority cases flu is just an unpleasant passing and nothing serious. Children below the age of 10, preganant woman, heart risk patients and elderly do need to take necessary precautions.