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Abstract
Monovalent influenza virus vaccines were prepared from 3 strains of influenza A viruses.
Concentrates were processed to yield either intact influenza virus vaccines or vaccines
composed of the isolated hemagglutinins liberated by ether treatment and further purified
by chemical and physical methods. Each type of vaccine was made from a single pool
of virus per strain. Each vaccine induced equivalent hemagglutination-inhibiting antibody
levels in children and adults. Approximately equal levels of neutralizing antibodies
were observed to develop in the sera of children given either intact virus or isolated
hemagglutinin vaccines. The isolated hemagglutinin vaccines failed to induce febrile
responses in children, while the same or lower doses of intact virus vaccines were
clearly pyrogenic.
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References
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Article info
Publication history
Accepted:
September 23,
1963
Received:
August 9,
1963
Footnotes
☆This investigation was conducted under the auspices of the Commission on Influenza, Armed Forces Epidemiological Board. The work at the University of Michigan was supported by the Office of the Surgeon General, United States Army, Washington, D. C.
Identification
Copyright
© 1964 Published by Elsevier Inc.