This is the third in a series of guidelines commissioned by the Infect
ious Diseases Society of America through its Practice Guidelines Commi
ttee, It is presented as a standard of care rather than a practice gui
deline because the case for following these recommendations is very st
rong and it should be followed with rare exceptions. The purpose of th
is guideline is to provide assistance to clinicians when making decisi
ons on providing immunizations to healthy infants, children, and adult
s. The document is a summary of guidelines already developed by nation
al organizations. The targeted providers are pediatricians, family pra
ctitioners, internists, and other physicians who provide immunizations
, The IDSA provided the funding, Panel members represent experts in ad
ult and pediatric infectious diseases. The guidelines are evidence-bas
ed. A standard ranking system is used for the strength of the recommen
dations and the quality of the evidence cited in the literature review
ed, The document has been subjected to external review by peer reviewe
rs as well as by the Practice Guidelines Committee and was approved by
the IDSA Council, An executive summary and tables highlight the major
recommendations. Indicators For measuring compliance with the standar
ds are included, The guideline will be listed on the IDSA home page at
http://www.idsociety.org.