As the saying goes, prevention is better than cure. This is also true for influenza. The prevention of influenza, but this applies also to other diseases, always starts with healthy life habits that reinforce the immune system.
Secondly, it is possible to get vaccinated against influenza. The vaccination is process consisting in the inoculation of a weakened form of the virus so to prepare the immune system to defend the body against the virus.
However, due to the high mutability of the influenza virus a particular vaccine formulation usually only works for about a year. The vaccine is usually recommended for anyone in a high-risk group who would be likely to suffer complications from influenza.
The World Health Organization co-ordinates the contents of the vaccine each year to contain the most likely strains of the virus to attack the next year.
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