| 21. | The experts in Barcelona also expressed concern about the emergence of resistant strains.
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| 22. | He conceded that health authorities were losing the battle to control drug-resistant strains.
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| 23. | This is seen in DMI-resistant strains of " Venturia inaequalis ".
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| 24. | Moreover, some are concerned that antibacterials might lead to development of bacteria-resistant strains.
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| 25. | Some jails are breeding grounds for drug-resistant strains of tuberculosis that defy traditional treatments.
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| 26. | Gonorrhea usually can be treated with antibiotics, although some drug-resistant strains have been developed.
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| 27. | Alternative drugs to treat resistant strains are rare and expensive.
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| 28. | Every disease, he points out, has susceptible and resistant strains.
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| 29. | In Dublin, they found 88 percent containing the azithromycin-resistant strain.
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| 30. | Interruption of the therapy can promote the emergence of a resistant strain of HIV.
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