What gauge and length needle is used in childs flu vaccines?

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This is from the CDC's flu vaccine instructions to health care

providers:

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"The intramuscular route is recommended for TIV. Adults and older

children should be vaccinated in the deltoid muscle. A needle

length of 1 inch or longer (>25 mm) should be considered for

persons in these age groups because needles of <1 inch might be

of insufficient length to penetrate muscle tissue in certain adults

and older children. When injecting into the deltoid muscle among

children with adequate deltoid muscle mass, a needle length of

7/8--1.25 inches is recommended.

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Infants and young children should be vaccinated in the

anterolateral aspect of the thigh. A needle length of 7/8--1 inch

should be used for children aged <12 months."

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http://www.cdc.gov/flu/professionals/acip/dosage.htm

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