The coronavirus pandemic circling globe caused natural virus , one made lab , new study says.The virus ’ genetic makeup reveals SARS-CoV-2 ’ mishmash known viruses , might expected human-made.And unusual features recently identified scaly anteaters called pangolins , evidence virus came nature , Kristian Andersen colleagues report March 17 Nature Medicine.When Andersen , infectious disease researcher Scripps Research Institute La Jolla , Calif. , first heard coronavirus causing outbreak China , wondered virus came from.Initially , researchers thought virus spread repeated infections jumping animals seafood market Wuhan , China , humans passed person person.Analysis researchers since suggested virus probably jumped animal person spread human human since mid-November ( SN : 3/4/20 ) .