Have corona virus strains only ever existed in China?
Coronavirus are everywhere.
We were talking with an epidemiologist recently who studies Bovine coronavirus infections in feedlot cattle. Particularly the respiratory disease (shipping fever) that spreads through cattle when they're shipped from feedlot to feedlot..(the cattle equivalent of widebody jets)
Bovine coronavirus is closely related to the human coronavirus OC43 that causes the common cold, and - it's thought - may be the original source.
Betacoronaviruses such as bovine and SARS coronaviruses can infect other animal species, and have been shown to infect dogs, turkeys, wild ruminants like Sambar deer, waterbucks, giraffes, white-tailed deer - even Llama and Alpacas.
Thats what I thought, thanks. Made me wonder with the talk of Chinese having more immunity. As if coronaviruses don't exist elsewhere. IMO, any virus outbreak, irregardless of its type is an issue for everyone, as the animals that can carry a virus often exist in many countries.