On December 31, 2019, the World Health Organization China office received the first report of a previously-unknown virus, which may now have spread to hundreds of thousands of folks worldwide.
Coronaviruses are diseases in mammals and birds. In humans, coronaviruses cause respiratory tract infections that are typically mild, such as some cases of the common cold, though some can be lethal, like SARS, MERS, or COVID-19.
Symptoms vary, but people may experience: Runny noses, Sore throats, Coughing, Fever and Difficulty breathing.