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.
HHAC counts of uninfected normal human blood bank donors using 20 µl of blood samples (A). Increasing the blood volume (40 µl or 50 µl) does not change the noise (normal blood, solid dots) compared to L. loa microfilarial counts (open circles)(B).
