A new risky gain-of-function experiment performed by the Wuhan Institute of Virology demonstrates infection and broad host tropism in humans using HKU5-CoV-2.

A new risky gain-of-function experiment performed by the Wuhan Institute of Virology demonstrates infection and broad host tropism in humans using HKU5-CoV-2. This virus is closely related to the lethal MERS-CoV, responsible for the 2012 Middle East respiratory syndrome-related coronavirus outbreaks.