Corona viruses have been around for awhile.
https://www.cdc.gov/coronavirus/types.html
“229E (alpha coronavirus)
NL63 (alpha coronavirus)
OC43 (beta coronavirus)
HKU1 (beta coronavirus)
Other human coronaviruses
MERS-CoV (the beta coronavirus that causes Middle East Respiratory Syndrome, or MERS)
SARS-CoV (the beta coronavirus that causes severe acute respiratory syndrome, or SARS)
SARS-CoV-2 (the novel coronavirus that causes coronavirus disease 2019, or COVID-19)
People around the world commonly get infected with human coronaviruses 229E, NL63, OC43, and HKU1.”
Yes, but not this one. It's only the second variant of this particular one (SARS) to infect humans.
A corona virus is called that because of it's appearance (Crown like). But not all corona viruses are the same. All buildings look like building but a dog house is much different than a skyscraper. This one is a building that has never infected humans before.