What Are The Precautions To Be Taken While Preparing Or Observing Smears For Afb?
A new slide must be used for every specimen. because scratch marks may give false positive. A uniform smear from thick portion of the sputum must be made. Staining jars should not be used to staining smear as there is risk to cross contamination Fresh blotting paper must be used for each smear for drying the slide to prevent transfer from one slide to another.
