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.
The proportion of PV positive samples recovered by the 11 extraction methods. The black bars indicate the 95% confidence intervals for the true proportion of samples extracted by each extraction method that were PV positive in the different PCR assays (nested VP1, PanEV RT-PCR, PanPV RT-PCR, and RT-qPCR).
