Recovery period cause of disease carrier: After referring to clinical symptoms vanishing, continues to carry with the discharge of bacteria pathogen.

恢复期病原携带者：指临床症状消失后继续携带和排菌病原体者。

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Different antibiotics might be more effective not just because of the effect on the pathogen but also because of the effect on the [body's natural bacteria].

不同的抗生素可能更有效果，不仅仅是因为用在病原体上，而更多的是用在人体自然细菌上。

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The pathogen in the waters are viruses, bacteria, protozoa and helminths.

水中有病毒、 细菌、 原生动物、蠕虫等多种病原体。

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But today it has announced FDA approval for Tygacil, a new antibiotic that may be very useful at treating infections where there are multiple types of resistant bacteria, or where the pathogen can't be identified.

FORBES: Revenge Of The Bacteria Killers

When it comes in contact with single-celled pathogens, such as viruses or parasites or bacteria, it disables the pathogens' metabolic enzymes, causing the pathogen to suffocate and die.

FORBES: What's Next?