SARS-CoV-2 Epsilon variant

Epsilon variant, also known as CAL.20C and referring to two PANGO lineages B.1.427 and B.1.429, is one of the variants of SARS-CoV-2, the virus that causes COVID-19. It was first detected in California, USA in July 2020.

As of March 2022, Epsilon is considered as a previously circulating variant of interest by the WHO. It is considered a variant being monitored by the CDC.