This reminded experts SARS1 epidemic 2002 , bat virus spread first civets , animal sold wet markets , civets people.A similar bat virus caused second epidemic , known MERS , 2012.This time intermediary host animal camels.The decoding virus ’ genome showed belonged viral family known beta-coronaviruses , SARS1 MERS viruses also belong.The relationship supported idea , like , natural virus managed jump bats , via another animal host , people.The wet market connection , major point similarity SARS1 MERS epidemics , soon broken : Chinese researchers found earlier cases Wuhan link wet market.But seemed matter much evidence support natural emergence expected shortly.Wuhan , however , home Wuhan Institute Virology , leading world center research coronaviruses.So possibility SARS2 virus escaped lab could ruled .