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 ...

Sputum Gram stain and culture were once the gold standard of diagnosis in patients with pneumonia but have been discounted in recent years, with published sensitivity estimates ranging as low as 20% ...

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 ...

Founded in 1904, The Journal of Infectious Diseases is the premier publication in the Western Hemisphere for original research on the pathogenesis, diagnosis, and treatment of infectious diseases, on ...

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 ...

Scientists have pioneered a process to detect TB bacteria by adding a molecule to the bacteria's own armour that lights up under fluorescent light. Scientists at the University of the Witwatersrand, ...

Of the 148 patients referred during the 15 months of the study, 1 patient was not entered in to the study because clinical review indicated the presence of pneumonia. Three patients were withdrawn ...

Scientists at the University of the Witwatersrand, Johannesburg and international researchers have pioneered an innovative process to detect TB bacteria by adding a molecule to the bacteria's own ...