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Immunization with PyCSP DNA induces low levels of proliferation against PyCSP57–70. Mice were immunized three times with either 40 μg of MAP4(PyCSP57–70) and Lipofectin, 40 μg of MAPp2p30 and Lipofectin, or 40 μg of PyCSP DNA and PBS. Results shown are those of the lymphocyte proliferation assay done with splenocytes removed 14 days after the last immunization.
