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Arch Pediatr Adolesc Med. 2002;156:1055-1056.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

The evaluation of young febrile infants continues to be controversial. At the center of this debate is the utility of the laboratory evaluation, particularly in the presence of an apparent viral source of fever. In their retrospective review, Purcell and Fergie document the low risk of concurrent SBIs.¹ These data add to a growing body of evidence on this topic.^2-4 Although RSV may cause fever,³ an occasional infant with RSV may have a concurrent SBI, typically, a urinary tract infection.^{1, 3-4}

The more pertinent question, however, is how low a risk of SBI is too low to investigate with laboratory tests? Answering this question requires sophisticated and creative analyses, including cost-effectiveness analyses, an example of which was recently performed on older febrile infants at risk of occult bacteremia.⁵ The article by Purcell and Fergie fails to address this question. Furthermore, the study population was generated by reviewing the medical records of . . . [Full Text of this Article]

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