"While it's imperfect, if you have a common disease with substantial morbidity and mortality, you prevent a lot of cases", says Richard Zimmerman, a flu epidemiologist at the University of Pittsburgh School of Medicine.
However, doctors insist we can not underestimate the importance of "herd immunity", and that the shot may be more effective as lessening illness in those who do get sick.
This flu season is beginning earlier than the previous couple of years, which had unusually late starts. Without insurance, the cost of a flu shot is $20 for a child, $49 for adults and $88 for the high dose that is recommended for those 65 and older. Games says getting the vaccine and washing your hands are the two most effective ways you can stay healthy this time of the year.
A young mum of two has died in Australia after contracting the virus as experts warn all eligible Brits to get a flu jab.
Flu symptoms are the same regardless of what strain you have but H3N2 cases have been reported as more severe in recent years.
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You can not get the flu from the flu shot.
Being vaccinated is the safest way to protect against the flu.
"This is more typical of what we see most years", Shahab said.
H1N1, not surprisingly, still rings a bell with many people from the fall of 2009 scare, and all the clinics that were set up to get last-minute vaccine to children and those at risk as soon as possible. The same vaccine is being used in the United States.
Many GP practices hold large flu vaccination clinics. He said flu strains always are out there, 365 days a year, readjusting and reforming.
Kent County Council Director of Public Health, Andrew Scott-Clark said: "It is particularly important that we reach parents and make sure children are protected as they can easily spread the illness among their friends and family".
Patel said it is never too late to receive a flu shot, especially since so far this year, it looks like the flu shot serum that was projected ahead of time is turning out to be right on target. This requires employees who have not received the flu vaccine to wear a mask when within 6 feet of any patient or resident care area, as well as when performing patient related tasks in both patient and non-patient care areas.