Many bacteria including some pathogens can enter this state and maintain virulence or pathogenicity.
许多细菌包括病原微生物可进入这一状态并保持毒力或致病性。
Virulence is the degree of pathogenicity (harmfulness or severity) of the bacteria and its ability to rapidly invade the tissues of the host.
毒力是指细菌致病性(损害或严重)的程度及其快速侵入宿主组织的能力。
Studies suggest that the pathogenicity of ss is closely related with the carrying and expression of virulence-associated factors.
目前研究认为SS致病性与其相关毒力因子的携带与表达密切相关。
The virus was analyzed by the animal pathogenicity test, virus attenuation, protection of the attenuated virus and virulence return experiment.
对分离的痘病毒进行动物致病性试验、病毒分离传代和致弱试验、致弱毒保护力试验和返强试验。
Viruleut and 'antigen stability of passages CAV-2 showed that passage 53-73 viruses hod no pathogenicity for fox, but virulence was stable.
经对继代毒的毒力测定和抗原稳定性试验证明，53- 73代毒对狐无致病性，而且毒力稳定。
Viruleut and 'antigen stability of passages CAV-2 showed that passage 53-73 viruses hod no pathogenicity for fox, but virulence was stable.
经对继代毒的毒力测定和抗原稳定性试验证明，53- 73代毒对狐无致病性，而且毒力稳定。
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