Angiotensin-converting enzyme 2 (ACE2), SARS- CoV-2's receptor, is necessary for the virus to enter cells. The role of spike proteins, which enable viruses to enter host cells and infect people.
The coronavirus disease virus is a respiratory illness virus (COVID-19). SARS-CoV-2 is a virus that belongs to the coronavirus family, a wide group of viruses. Both humans and some animals are susceptible to these viruses. In 2019, SARS-CoV-2 infection was first identified in humans. It is believed that the virus spreads from one person to another through droplets expelled when an infected person coughs, sneezes, or speaks. The virus can also be transferred by touching a surface that has it before reaching your lips.
Learn more about SARS-CoV-2 here
https://brainly.com/question/22501990
#SPJ4