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.
Epidemic curves of 2019 novel coronavirus disease outbreak for early 28 cases by area, Korea. (A) Curve according to symptom-onset date, (B) curve according to confirmed date. The symptom-onset of #2 case was on January 10, 2020 in China and entered Korea on January 22, 2020.
