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Meningococcal infections. 3. Studies of group A polysaccharide vaccines
Bulletin of the World Health Organization
|January 1, 1971
Abstract:
Studies with 4 lots of group A meningococcal polysaccharides in 458 adult human volunteers showed that such vaccines are nontoxic and highly immunogenic. Comparisons of jet injection and subcutaneous (needle) methods of administration showed that both were equally immunogenic.