Figure 2.
HPV infection, keratinocyte differentiation, and viral protein expression. Pink epithelium layers do not harbor HPVs, while purple host cells are targets for HPV infection.
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.