Drug – bio-affecting and body treating compositions – Lymphokine
Patent
1982-07-30
1984-09-25
Hazel, Blondel
Drug, bio-affecting and body treating compositions
Lymphokine
424 93, A61K 39002
Patent
active
044735499
ABSTRACT:
A method for the immunization of mammals (including man) and birds, against Toxoplasma gondii is described which involves subcutaneous administration of a live, low-virulent vaccine comprising a temperature-sensitive mutant of the persistent, virulent RH strain of T. gondii. The vaccine gives immunity against subsequent challenge, but does not persist and does not cause chronic infection of the subject and which therefore cannot result in illness or death in the event that the subject later becomes immunosuppressed.
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Frenkel Jacob K.
Pfefferkorn Elmer R.
Hazel Blondel
Pfefferkorn Elmer R.
The Kansas University Endowment Association
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