What Causes the Flu?
You are never immune to the virus.
But even with a flu shot, you might still get the flu, although generally less severely.
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This is because theirimmune systemshave not yet developed a defensive response to the virus in the form ofantibodies.
Antibodies are proteins produced by the immune system that target disease-causing organisms like the flu virus for destruction.
They may be fussy or experience symptoms you assume are related to the common cold.
Even among toddlers who can speak, the symptoms are often very different from those in adults.
If they are not available, try atelehealth serviceor a walk-in clinic near you.
Nothing else is needed to confirm the diagnosis.
These are most effective when started within two days of the first signs of the flu.
Central to this is annual flu vaccination starting at 6 months of age.
Thereafter, they only need one dose.
This is because their immune systems are too underdeveloped and may react adversely to the vaccine.
Children 6 months and over can get the flu shot.
Those 2 years and over can receive the nasal flu vaccine.
With that said, there may be a lingering cough for up to four weeks.
Thereafter, they tend to rapidly wane and generally resolve within a week.
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