Understanding the Flu Vaccine [48RndFD6j1K]
Flu symptoms tend to come on quickly and are worse than those caused by a cold. The flu vaccine helps protect people from catching the flu, and is recommended for everyone 6 months of age and older.
Flu symptoms tend to come on quickly and are worse than those caused by a cold. The flu vaccine helps protect people from catching the flu, and is recommended for everyone 6 months of age and older.