Covid-19

is a cosmic entity that infects Humans. It's on Earth in 2019.

Alpha
In late 2020, experts noted gene mutations in COVID-19 cases seen in people in southeastern England. This variant has since been reported in other countries, including the U.S.

Beta
Other variants of the virus have been found in other countries, including South Africa and Nigeria. The beta variant appears to spread more easily than the original virus but doesn’t seem to cause worse illness.

Lambda
Lambda variant, also known as lineage C.37, is a variant of SARS-CoV-2, the virus that causes COVID-19. It was first detected in Peru in August 2020.