Year: 2020

Year: 2020

What is a coronavirus?
April 16, 2020 Tips customjune.com

Coronavirus is a kind of virus widely existing in nature. It is named because the morphology of the virus is similar to the crown observed under the electron microscope. So far, it has been found that coronavirus only infects vertebrates and can cause respiratory and digestive tract and nervous system diseases in humans and animals. In addition

Details