Coronaviruses are a large family of viruses. Similar but different coronavirus species cause several common diseases in domestic animals which are not contagious to people. Many dogs, for example, are vaccinated for another species of coronavirus (Canine Coronavirus) as puppies. However, this vaccine does not cross protect for COVID-19. There is no vaccine for COVID-19 … Continue reading I have heard of “coronavirus” infections in dogs, cats, and horses, and even a vaccine in dogs. Are these contagious to people?