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.
Enterovirus 71. Positive staining of EV71 viral antigens in neurons and neuronal processes of a fatal case of enterovirus encephalitis. (Immunoalkaline phosphatase with naphthol fast red substrate and hematoxylin counterstain; original magnification ×40.)
