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 ...

Your doctor can order this test to find out if you have tuberculosis (TB) or another type of bacterial infection. TB was very common at one time. However, it’s now rare in the United States. According ...

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 ...