The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 167
... infections . Thus far , only infection by intact viral particles has been considered . Under certain conditions , however , it is possible to ini- tiate infection experimentally with only the nucleic acid portion of the virus ...
... infections . Thus far , only infection by intact viral particles has been considered . Under certain conditions , however , it is possible to ini- tiate infection experimentally with only the nucleic acid portion of the virus ...
Page 170
... infection . Susceptible cells can respond in four general ways to viral infection : inapparent effect , in which the virus becomes an endosymbiont ( lives dor- mantly in the host cell ) ; cytopathic effect , in which the cell dies ...
... infection . Susceptible cells can respond in four general ways to viral infection : inapparent effect , in which the virus becomes an endosymbiont ( lives dor- mantly in the host cell ) ; cytopathic effect , in which the cell dies ...
Page 171
... infection . The attenuated strains of virus , such as those used in vaccines , usually result in apparent infections . If the host has some level of immunity to the virus , however , these infections are often transient and inapparent ...
... infection . The attenuated strains of virus , such as those used in vaccines , usually result in apparent infections . If the host has some level of immunity to the virus , however , these infections are often transient and inapparent ...
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