The virus that causes COVID-19 is a type of coronavirus. Corona viruses comprises of a large family of viruses. Corona viruses are named for the crown-like spikes on their surfaces. Over the time multiple variants and strains of the virus causing COVID-19 have been documented in the United States and globally during this pandemic.
There are currently five corona virus strains in the United States:
B.1.1.7: This Corona virus variant was first identified in the US in December 2020. The first case of this variant was detected in the UK. Known as the UK variant.
B.1.351: This Corona virus variant was first identified in the US at the end of January 2021. It was first detected in South Africa in December 2020. Known as the South Africa variant.
P.1: This Corona virus variant was first detected in the US in January 2021.
P.1 was initially identified in travelers from Brazil, who were tested during routine screening at an airport in Japan, in early January. It is known as the Brazil variant.
B.1.427 and B.1.429: These two variants were first identified in California in February 2021 and were classified as VOCs in March 2021.
Other Corona virus variants found in India.
B.1.36 : also known as N440K variant has been discovered in India.
B.1.1.8 : also known as D614G mutant or A2a
B.6 : Also known as A3i variant.