Lakes says "Although the flu vaccine may not prevent all the symptoms of the flu, it can in some individuals prevent the more severe complications of influenza."
Those severe complications include secondary pneumonia and Lakey says the shot will likely keep you out of the hospital.
Lakey says the vaccine this year is a good match for influenza A but a little weaker for type B, and there's more influenza B this year than in years past.
Your best protection is to get a flu shot and practice good hygiene.