A virologist who coauthored a paper marginalizing the lab leak theory did not disclose his ties to the research group at the center of it. Director of Columbia University’s Center for Infection and Immunity Ian Lipkin has often worked with EcoHealth Alliance, a U.S.-based collaborator of the Wuhan Institute of Virology, the group confirmed in … Virologist who tried to discredit the lab leak theory was once a ‘partner’ to EcoHealth Alliance