A sputum stain for Mycobacteria is a laboratory test performed on a sample of your sputum, or phlegm. It’s also known as an acid-fast bacillus (AFB) stain or a tuberculosis (TB) smear. A doctor ...

What is a sputum Gram’s stain? A sputum Gram’s stain is a laboratory test that allows your doctor to diagnose a bacterial infection in your respiratory tract. They may order it if you have symptoms of ...

The procedures and protocols for the pre-treatment of sputum specimens, mainly used for the diagnosis of pneumonia, are complex, labor intensive, and require skilled specialists working in a biosafety ...

Tuberculosis (TB) is a major health threat worldwide with an estimated 9 million incident active TB cases and 1.5 million TB-associated deaths in 2013 1, mainly in resource-limited settings within ...