toxoidal

adj

adj

Etymology From toxoid + -al.

Rare Of or pertaining to a toxoid.

Active immunity is acquired by contracting an infection (natural active immunity) or by administration of vaccines (bacterial, viral and toxoidal) either singly or in suitable combination.1985, Samuel Ofosu-Amaah, Kusum P. Shah, “Immunization glossary”, in P[ierre]-E[meric] Mandl, editor, Assignment Children, 69/72 (Universal child immunization by 1990), United Nations Children's Fund, →ISSN, →LCCN, page 457:

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