The Coronavirus causes deseases in birds and mammals and can cause respiratory issues and diarrhea, however, very recently it has been contracted by humans, startting from what we believe is China. There are seven known strains of Coronavirus: - Human coronavirus 229E (HCoV-229E) - Human coronavirus OC43 (HCoV-OC43) - SARS-CoV - Human coronavirus NL63 (HCoV-NL63, New Haven coronavirus) - Human coronavirus HKU1 - Middle East respiratory syndrome coronavirus - Novel coronavirus (2019-nCoV) - Now called Covid-19 The 2019-2020 China outbreak in Wuhan is believed to have a trace of coronavirus and has been called: Novel coronavirus (2019-nCoV).