Figure 3.
(A) Geographical origin of included studies stratified by World Health Organization (WHO) regions. (B) An overview of sequencing platforms. (C) An overview of sample sizes.
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.