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.
Xenopus sp. kidney A6 cells inoculated with viral suspension obtained from sick Rana catesbeiana tadpoles. (A) Mock-infected A6 cells; scale bar = 20 μm. (B) A6 cells with cytopathic effect 48 h after inoculation at 25 to 27°C; star-shaped and elongated cells are evidence of viral infection; scale bar = 10 μm
