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It's that time of year again--the time when health officials urge you to get vaccinated against the flu.

If the thought of a shot is too much for you, you have another choice, said CDC epidemiologist Alicia Budd.

"There is also available this year the nasal spray vaccine, so if you have someone who is particularly needle-averse, they too have an option for getting the vaccine, and because there are a lot of varieties of vaccines out there, it's really best for people to talk to their individual health care provider to determine exactly which type is best for them," said Budd.

Budd added determining which flu strains to include in each year's flu vaccine comes down to worldwide specimen collection from flu victims.

"And those strains are characterized and catalogued, and if it looks like they might have the particular characteristics of the strains that we think might predominate in the coming season, additional work is done in the laboratory to see if that strain could be appropriate for the vaccine," said Budd.

Budd said each year's vaccine targets 3 to 4 flu strains, and anyone 6 months old or older should be vaccinated.