What is “Coronavirus/es” ? Coronaviruses are a large family of viruses which may cause illness in animals, birds and humans. Studies has helped to identify different symptoms in different species. In chickens, they cause an upper respiratory tract disease, while in cows and pigs they cause diarrhea. And in humans, coronaviruses cause respiratory tract infections that can be mild,Continue reading “Study Corona Part 1 – Coronaviruses are a large family of viruses which may cause illness in animals, birds and humans.”