MUTABILITY OF INFLUENZA VIRUS AFTER TREATMENT WITH NITROUS ACID
ARMY BIOLOGICAL LABS FREDERICK MD
Pagination or Media Count:
Following the influence of nitrous acid on the influenza A2 virus mutants emerged which lost their pathogenic, toxic, and immunogenic properties, and also the resistance to the inhibitor of normal horse serum. In comparison with the initial strain the mutants multiplied less actively in chick embryos and eluted more slowly from chick erythrocytes.