Focus
COVID-19 virus
The Origin of COVID: Beyond Natural and Lab Theories
The hot debate over the origin of the COVID-19 virus has persisted for four years. How can we reconcile countervailing views?
Nature Sets Barriers to Risky Viruses, While China’s Gain-of-Function Study Is Breaking Them
While scientists strive to improve human health and well-being, gain-of-function research could cause more harm than good.
