An official website of the United States government
Here's how you know
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.
Adherence of S. pneumoniae strains D39 and ΔD39 to PEC-A549 cells. Adherence was expressed as the number of pneumococci attached per 100 PEC-A549 cells.