ABSTRACT
An outline of the classification of gram-positive and gramnegative bacteria is shown in 52 and 53. Note that this classification uses the gram stain and a number of other simple laboratory tests. One role of the medical microbiology laboratory is to process specimens obtained from patients with suspected infection, in order to isolate and identify relevant bacteria; the information obtained is used to confirm the clinical diagnosis. By determining the antibiotic susceptibility profile of bacteria isolated, the appropriateness
It is important that specimens taken are appropriate.
