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.
Detection of enterovirus VP1 protein by immunofluorescence staining on HEp-2 cells. (A) Positive (infected) cells show punctate fluorescence, mainly in the cytoplasmic region. Samples are from the body of the dam. (B) Positive (infected) cells show fluorescence at the cellular periphery (membranous ring). Samples are from the beaches of the dam. Scale bar, 20 μm.
