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Print Did the global pandemic seep from a truckbed crowded with animal cages on its way to market? A cave where villagers dig bat guano? A mislabeled vial in a Chinese coronavirus lab? Those theories have spun into a blame game and a geopolitical battleground. But for scientists, finding the original source of SARS-CoV-2, the virus that causes COVID-19, is key to understanding how to predict, prevent and contain future pandemics that may arise, whether from a leak at one of a growing number of pathogen labs or the accelerating encroachment of humans on the natural world. Pinpointing the origin of a virus is critical to marshaling a quick response that could save lives and protect economies especially in the early days of an outbreak. Evidence of a natural spillover would drive efforts to limit human interaction with wild animals and set up a stronger surveillance system. A lab origin would intensify demands for strict international standards for types of research and the condit

United statesAlina chanAnthony kwan gettyBroad instituteNg han guan associatedWorld health organizationUniversity of north carolinaSakchai lalit associatedSai yok national parkWuhan institute of virology advertisement securityUs state departmentEcohealth allianceWuhan institute of virologyAnthony kwanGetty imagesSakchai lalit