The studies show flu vaccine reduces the risk of flu illness by about 50% to 60% among the overall population during seasons when most circulating flu viruses are like the vaccine viruses. If the flu viruses the flu vaccine is designed to protect against match the flu viruses spreading in the community,we might get substantial benefits from vaccination,but during years when the flu vaccine is not well matched to circulating viruses, it’s possible that no benefit from flu vaccination may be observed.
If the flu vaccine doesn't work then what we can do to protect ourselves from the flu in the flu season.Usually taking 2 cloves garlic with some vinegar everyday can protect us from those flu viruses. Or having this natural "flu shot" recipe from Oriental Clinic and get the Natural Cures & Remedies from your comfortable home.
Want to treat it from the root, check Acupuncture & Herbs Boost Immunity Power Naturally