Land and marine iguanas and giant tortoises living close to human settlements or tourist sites in the Galapagos islands were more likely to harbor antibiotic-resistant bacteria than those living in more remote or protected sites on the islands, researchers report. Many of the reptiles harbor E. coli bacteria that are resistant to ampicillin, doxycycline, tetracycline, and trimethoprin/sulfamethoxazole.
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