When I worked at pet shops in the 1980s; this was known. Bird catch colds from people, fish are subject to stomach complaints: if you were sick you got told to

When I worked at pet shops in the 1980s; this was known. Bird catch colds from people, fish are subject to stomach complaints: if you were sick you got told to avoid the animals. There was bird heavy places wouldn't hire me cuz of a chronic cough.