Senate committee substitute makes the following changes to 1st edition. Clarifies required qualifications for an immunizing pharmacist, prohibits immunizations to patients under the age of 14, and amends requirements for vaccines to be administered by a pharmacist to other patients under the age of 18. Makes other clarifying and conforming amendments. Requires that the State Health Director, in consultation with the Commission for Public Health, establish standards for the administration of immunizations by pharmacists no later than January 1, 2012. Sets out standards to be included and instructs the Board of Pharmacy and the Medical Board to adopt rules to implement the standards developed by the Director. Specifies the rule to govern certain vaccines; provided, however, that an immunizing pharmacist be granted authority to administer influenza vaccine.