Virus Variant Definition, Examples & Key Differences

Meaning 1：mutated virus strain (Virus Variant)

Virus Variant 🔊

/ˈvaɪrəs ˈvɛriənt/

A changed form of a virus that has developed through genetic mutations.

Microscopic view of a virus variant with altered spike proteins

mutated virus strain 🔊

➕

/ˈmjuːteɪtɪd ˈvaɪrəs streɪn/

A virus variant is a version of a virus that has developed one or more genetic mutations, potentially altering its transmissibility, virulence, or immune evasion.

📁 Category：Physical & Mental Health 🔖 Level：intermediate

📘 Details & Usage

📖 Root Explanation

Virus (Latin: poison) + Variant (Latin: variare = to change) = a genetically altered virus.

💡 Mnemonic

Think "vari" like "vary" – a virus variant is just a virus that has varied its genetic code.

📖 Example

Scientists are working hard to understand a new virus variant that appeared recently. 🔊 The scientific community is diligently studying a newly detected virus variant.

🔗 Collocations

new virus variant – a recently emerged mutated strain of a virus

virus variant detection – the process of identifying a mutated virus strain

virus variant spread – the transmission of a mutated virus strain

🔄 Synonyms

strain (n.) – a subtype of a virus with genetic differences

mutant (n.) – a virus that has undergone mutation

lineage (n.) – a line of descent of a virus with specific mutations

🚫 Antonyms

original strain (n.) – the unmutated form of the virus

🌱 Derivatives

variation (n.) – a change or difference in condition

variance (n.) – the state of being different

variable (adj.) – liable to change

📖 Cultural Story

Virus (Latin "poison") + Variant (Latin "to vary") gained prominence during the COVID-19 pandemic for mutated strains like Delta and Omicron, underscoring constant viral change.