Acidfast Stain: Background and Introduction. Mycobacterium and many Nocardia species are called acid-fast because during an acid-fast staining procedure they retain the primary dye carbol fuchsin ...

Using a process known as the Ziehl Neelsen method, ... An AFB stain can help confirm that your recovery is complete and the tuberculosis is gone. What Do the Results Mean?

These granules were spherical, and stained somewhat paler red than the acid-fast Myco. leprae with the Fite-Faraco modification of Ziehl-Neelsen stain using Harris's hæmatoxylin as counter-stain.