Fig. 2. Schematic of virus transmission and detection by traditional methods. Adapted from Ref. 2 with permission. qPCR, quantitative polymerase chain reaction.
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.