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.
Limit of detection of the saliva RT-LAMP assay. Spike-in experiments of a healthy donor saliva with (A) tenfold dilutions of in vitro transcribed (IVT) viral RNA (N-gene) and (B) in vitro propagated SARS-CoV-2 virions. Saliva samples were processed as described in “Materials and methods” and 2 μL were analyzed by colorimetric RT-LAMP. PFUs plaque forming units. Figures are representative of three independent experiments.
