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.
Mean values (bars show the 95% confidence intervals) of PFU of phage φX174 on host strains WG5 and CB390 (A) and phage MS2 on host strains WG49 and CB390 (B). The host strains used to count the bacteriophages are listed on the x axis. Values are the means of 10 independent assays.