Active immunity

Reinforcing immunization of children against poliomyelitis, by subcutaneous (or intramuscular) injection , child 0.5 ml at least 3 years after completion of the primary course and a further 0.5 ml at 15–19 years of age. Primary immunization of unimmunized adults against poliomyelitis, by subcutaneous injection , ADULT 3 doses each of 0.5 ml ... ................
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