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.
Persistence of total or protected SARS-CoV-2 RNA of in two raw wastewater samples. Two naturally SARS-CoV-2 contaminated wastewater samples (S1 and S2) were independently incubated at 4°C or 20°C for several days. Total viral RNA (vRNA, filled forms) and protected viral RNA (pRNA, open forms) were quantified by RT-qPCR and by an integrity-based RT-PCR respectively.
