SARS-CoV-2 Gamma variant

The Gamma variant, also known as lineage P.1, is one of the variants of SARS-CoV-2, the virus that causes COVID-19.
This variant of SARS-CoV-2 was first detected by the National Institute of Infectious Diseases (NIID) of Japan, on 6 January 2021 in four people who had arrived in Tokyo having visited Amazonas, Brazil, four days earlier.