noun
Delta variant (of SARS-CoV-2)
Refers specifically to the B.1.617.2 lineage of the COVID-19 virus. Used in news and medical contexts.
デルタ株は従来株より感染力が強いと報告された。
The Delta variant was reported to be more transmissible than earlier strains.
ワクチンはデルタ株にも一定の効果がある。
Vaccines still provide some protection against the Delta variant.
General term for a variant strain of a virus; デルタ株 is a specific instance.
Compound of デルタ (Delta, from the Greek letter) and 株 (strain, stock). Named after the WHO classification system for SARS-CoV-2 variants.