serum bactericidal titre

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serum bactericidal titre

A term of art for the highest dilution of serum at which there is no visible growth of bacteria after 24 hours in subcultures from a serum inhibitory titre run, a rarely used method of determining the therapeutic adequacy of a particular antibiotic.

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meningitidis as a serum bactericidal titer of [greater than or equal to] 1:8 (4,7).

Three percent of children <18 years, and 19% of adults >19 years of age (median age 33 years), had serum bactericidal titers above or equal to the "protective" level (1:8) against this outbreak strain (Figure l, Table).

Protective serum bactericidal titers were present in 3% of children < 18 years of age and 19% of adults (median age 33) against the outbreak strain of serogroup C, ST11 complex N.

Disease susceptibility to ST11 complex meningococci bearing serogroup C or W135 polysaccharide capsules, North America (1)

For example, combination therapy for treatment of Pseudomonas aeruginosa pulmonary infections in cystic fibrosis patients achieved a cure rate of 89% if peak serum bactericidal titers were [greater than or equal to] 1:128 (28).

Dead bugs don't mutate: susceptibility issues in the emergence of bacterial resistance. (Perspectives)