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.
Experience with COVID-19 and data collection. (A) The number of cases diagnosed with COVID-19 in the participants' centers in the day care unit and in the overnight stay ward. Answers concerning systematic tracing and participation in local or national or international registry (B and C, respectively).
