Blood cultures - unusual and fastidious organisms

Common pathogenic isolates from blood cultures include Staphylococcus aureus, Escherichia coli, Streptococcal species and other well-known organisms.

There are a number of less well-known organisms that can be grown in standard blood cultures. Many of these organisms are often regarded as ‘fastidious’ because they may not grow as well as the common bacterial isolates from blood cultures, but they can still be detected within a five-day incubation period. Then there are other non-viral organisms, that cause