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J Clin Microbiol. 1985 Nov; 22(5): 865–867.
PMCID: PMC268547

Effect of swab type and storage temperature on the isolation of Chlamydia trachomatis from clinical specimens.


We evaluated various swabs for the recovery of Chlamydia trachomatis and found that only 7 of 14 swabs tested resulted in a greater than 50% recovery of organisms. Storage of chlamydial specimens at 4 degrees C for more than 1 day resulted in a rapid loss of viability, whereas freezing of specimens at -70 degrees C resulted in only a marginal decrease in the isolation rate.

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Selected References

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  • Smith TF, Weed LA. Evaluation of calcium alginate-tipped aluminum swabs transported in Culturettes containing ampules of 2-sucrose phosphate medium for recovery of Chlamydia trachomatis. Am J Clin Pathol. 1983 Aug;80(2):213–215. [PubMed]
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