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.
Viral protein expression can alter cell density of the “lower” layer of cells. Quantification of the number of cells in the bottom layer of each population (field size, 800.22 by 800.22 mm). Five random 5-by-5 tile scans were chosen for quantification for each group at the day 7 time point. P values were calculated with Kolmogorov-Smirnov t tests. **, P ≤ 0.01; ns, not significant.
