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 ...

Testing of sputum is a more accurate way of diagnosing coronavirus disease (Covid-19), according to latest research. The survey shows sputum was more accurate than nasopharyngeal or oropharyngeal ...

In a meta-analysis, researchers found that sputum was more accurate than nasopharyngeal or oropharyngeal swabs. The study also shows early testing increased rates of COVID-19 diagnosis. Early and ...

Your doctor may use an acid-fast bacteria (AFB) stain test to see if you have a lung disease like tuberculosis (TB). In addition to showing tuberculosis, an AFB stain can also show if you have another ...