Virus Mutation 4K

Coronaviruses belong to coronaviridae and coronavirus. Coronavirus is a positive strand single strand RNA virus with envelope, with a diameter of about 80-120nm. Its genetic material is the largest of all RNA viruses, infecting vertebrates such as human, mouse, pig, cat, dog, wolf, chicken, cattle and poultry. A variant of coronavirus is the pathogen of SARS, which belongs to RNA virus.