Figure 2.
This graph represents the differences between the number of days for the presentation of COVID-19 symptoms and OD in patients who had OD at the time of presentation to referral centres (69 cases).
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.