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.
Liu's stain of a cerebrospinal fluid specimen. Microscopic examination revealed numerous Naegleria fowleri trophozoites (black arrowheads) containing nuclei (blank arrows) and numerous cytoplasmic vacuoles (black arrow). Blank arrowheads indicate leukocytes.
