Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

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.

View full-text article in PMC

. 2010 Feb 24;17(4):596–601. doi: 10.1128/CVI.00320-09

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2010, American Society for Microbiology

PMC Copyright notice

FIG. 1. — Illustration of imprecision in the reactive spot counts in the ELISPOT images. The sample was picked up from our routine analysis. (Upper panel) No reactivity in culture media (Blank, negative control of the kit), with one or two reactive spots under stimulations with antigen A (Panel A). (Lower panel) Reactivities of six spots under stimulation with antigen B (positive per manufacturer) and three spots in a replicate well (negative per manufacturer) (Panel B) as well as reactivities to PPD and PHA (positive control of the kit).