 A new type of coronavirus has been discovered which can cause severe and fatal respiratory illnesses in humans. This virus is believed to be transmitted from bats and is closely related to other known coronaviruses such as SARS-CoV and MERS-CoV. It is important for people to take precautions when visiting areas where there are large populations of bats, such as caves or mines, to avoid contracting this virus. This article was authored by Li Li Ren, Yiming Wang, Ji Qiong Wu, and others.