Conclusion the main pathogen in the neonatal infection was CNS, the bacteria with low virulence increased gradually, and the infection with multiple bacteria was also common.
结论新生儿感染病原菌以cns为主，以往少见的一些低毒力菌检出逐年增加，复数菌感染并非少见。
In domestic poultry, infection with avian influenza viruses causes two main forms of disease, distinguished by low and high extremes of virulence.
在家禽中，感染禽流感病毒导致两种主要疾病形式，区别为低致病性和高致病性。
The cell virulence evaluation suggested that the very low toxicity of some materials is helpful for their application in protective garments.
对细胞毒性极低的材料可以用在与人体接触的防护材料和设施中。
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