Vaccination remains the most effective way to protect against seasonal flu for all people over six months. Influenza vaccine can prevent influenza in children and healthy adults at a rate of 70-90%. It is also recommended to get vaccinated every year because the influenza strains change from year to year. It takes about two weeks from the date of administration for the vaccine to offer full protection, which lasts about six months.
For more information, visit our blog and consult the article (French only): 7 conseils pour prévenir la grippe