"The geographic distribution of many coronaviruses is known to extend over several continents and is probably worldwide. A seasonal incidence of infection occurs with some viruses, namely human coronavirus and transmissible gastroenteritis virus."
Source: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7182641/
Yeah they know it forever. Since the ‘60s at least
Hong Kong 1965
Full circle now huh. Crazy world