We evaluated the impact of two aerosol boxes <*> on intubations in patients with severe coronavirus disease 2019 with an in - situ simulation crossover study .
The primary outcome was intubation time ;
We evaluated the impact of two aerosol boxes ( an early - generation box and a latest - generation box ) on intubations in patients with severe coronavirus disease 2019 with an in - situ simulation crossover study .
The primary outcome was intubation time ; secondary outcomes included first - pass success and breaches to personal protective equipment .