This section is from the book "Laboratory Manual Of Pharmacology", by A. D. Bush. Also available from Amazon: Laboratory manual of pharmacology.
Vaccine Virus consists of the specially prepared, glycerinated, lymphocytic exudates found in the dermal manifestations of vaccinia in young bovines. It is prepared in selected establishments, working under a Federal license, and under requirements and regulations prescribed by the U. S. Public Health Service.
Note: Appearance ................................ Color ................................................................... Odor ...................................................................
Vaccine Virus has an almost universal use in the production of vaccinia, or cow-pox, a single attack of which mild disease almost always affords adequate immunity against variola.
 
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