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.
(A) Accumulated confirmed COVID-19 infections and deaths caused by COVID-19 in the United States and China from January 22, 2020 to February 1, 2021. (B) Mapping between the four waves of data collection and the four stages of the pandemic.
Data retrieved from https://data.humdata.org/dataset/novel-coronavirus-2019-ncov-cases
