example H1N1, if necessary) for everyone, however, if there is a vaccine shortage, priority should be given to children and adolescents six months through eighteen years of age, caregivers/teachers of all children younger than five years of age, and health care professionals (see <a href="http://www.cdc.gov/flu/);">http://www.cdc.gov/flu/);</a> Staff caring for all children should receive annual vaccination against influenza (and an in