No vaccine yet developed had managed to produce a ' neutralizing antibody ' response in the body.
Neutralizing antibody to hepatitis A virus in immune serum globulin and in the sera of human recipients of immune serum globulin.
A direct correlation between survival and neutralizing antibody titer was found.
The importance of neutralizing antibodies in containing primary viremia is questioned because they usually arise much later.
Even in normal circumstances their play and counterplay, attractive and repellent, must be manifold almost beyond conception; for the body may be regarded as a collective organization consisting of a huge colony of micro-organisms become capable of a common life by common and mutual arrangement and differentiation of function, and by toleration and utilization of each other's peculiar products; some organs, such as the liver, for example, being credited with a special power of neutralizing poisons, whether generated under normal conditions or under abnormal, .which gain entrance from the intestinal tract.