Drug resistance and plasmid profile of Shigella organisms from different outbreaks in Trinidad and Tobago in 1994
Orrett, F.A.
East African Medical Journal 74(3): 143-146
1997
ISSN/ISBN: 0012-835X PMID: 9185408 Document Number: 480314
The plasmid profiles of 16 Shigella species isolated from cases of bacillary dysentery from different areas of Trinidad and Tobago during one calendar year, and their resistance pattern to eight antibiotics were analysed. All isolates exceptone S. sonnei strain, were multiple resistant. Two strains (both S. sonnei) had nine plasmid bands which were the maximum found. There were several plasmid bands common among resistant strains with multiple or single resistant profiles. Resistance to ampicillin and sulphonamide were the most common (93.8%), followed by trimethroprim (25.0%), and tetracycline (6.25%). The results indicate that the outbreaks may not be related.