WorldAugust 11, 2026

monovalent

MON-uh-vay-lent

Definition

In a medical or vaccine context, referring to a vaccine designed to stimulate an immune response against a single antigen or strain of a virus.

Etymology

Derived from the Greek 'monos' (single) and the Latin 'valere' (to be strong or have power). It was originally used in chemistry to describe an atom or group with a combining power of one.

In the news

The term is used here to describe the specific type of COVID-19 vaccine formulation being discussed, which targets one specific strain rather than multiple variants.

Trump order directs Justice Department to sue states over vaccine exemptions

Read the full article ↗

Jurist.org

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