Fig 1. Highest oxygen flow-rate.
The figure shows the highest oxygen flow-rate provided to patients with severe COVID-19 during their care in the medical wards.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.