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.
Sampling area of guignas used for PCR and serological analysis. Individual kidney samples of guignas are shown as green (PCR-negative) or red (PCR-positive), whereas serum samples are shown as white (IFA-negative) or black (IFA-positive) circles.
