Figure 2. Trends for quinolone resistance rates (in percentages) among Campylobacter coli and C. jejuni combined from human sources around the world. The bars represent both nalidixic acid and fluoroquinolone resistance and are based on mean values of resistance from numerous reports (9,17,24,27,39,43,56-58,61-64,72-75,78,88, plus pers. comm. from Feirel G and Rautelin H, and unpub. data from Nachamkin I.).
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