More than a year into the COVID-19 pandemic, the origin of the virus causing the disease remains uncertain. The predominant theory is that its emergence in human populations was the result of zoonotic transmission, via an as-yet to be determined animal host. A competing (if still marginal) theory holds that a more likely source of the initial outbreak was an …
On the Search for the Origins of COVID-19: A Forum
This article is part of the series: Dispatches from the pandemic