On 22 January , scientists from Peking University , Guangxi Traditional Chinese Medical University , Ningbo University and Wuhan Biology Engineering College published an article , which after looking at `` humans , bats , chickens , hedgehogs , pangolins , and two species of snakes '' , concluded that the `` 2019‐nCoV appears to be a recombinant virus between the bat coronavirus and an origin‐unknown coronavirus '' ... and ... `` snake is the most probable wildlife animal reservoir for the 2019‐nCoV '' which then transmitted to humans .
Scientists from various universities published an article regarding animal association to COVID-19 in January 2020 .