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GROWING ANIMAL VIRUSES IN THE LABORATORY

GROWING ANIMAL VIRUSES IN THE LABORATORY -...

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GROWING ANIMAL VIRUSES IN THE LABORATORY Three methods are used:    1. Living animals       a. Some animal viruses can be cultured only in living animals. Finding an experimental  animal in which the virus will grow can sometimes be difficult. In studying human viruses and  also in developing vaccine against them, this is especially true.       b. Studies of the immune system’s response to the virus can only be done in a living infected  animal.       c. Animals can be inoculated in an effort to diagnose a disease      2. Embryonated eggs---a hole is drilled in the shell of a fertile egg and the virus is injected into  the most appropriate part of the developing chick. The hole is sealed.  If the virus grows, the  chick will die or show damage, or lesions will form on the membranes.        a. This method is currently used in production of some vaccines.
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