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 ...

Results of a South African study in this week's issue of THE LANCET show how a diagnosis of tuberculosis in young children can be confirmed by a straightforward sputum test, rather than the ...

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 ...

Induced sputum analysis has emerged as a pivotal non-invasive technique for characterising airway inflammation in a range of respiratory disorders. By inhalation of hypertonic saline to provoke sputum ...