Early and accurate detection is critical for preventing the spread of COVID-19 and providing appropriate care for patients. Nasopharyngeal (NP) swabs, which require inserting a long shaft into the ...

Clinicians from the Institute of Infectious Diseases at Beijing Ditan Hospital, Capital Medical University found that some patients had positive real-time fluorescence polymerase chain reaction ...

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 ...

Background. Nucleic acid amplification tests are sensitive and specific for identifying Mycobacterium tuberculosis in sputum smear–positive populations, but they are less sensitive in sputum ...

Aiming to improve the treatment for cystic fibrosis (CF), researchers at Caltech have created new tool for visualizing infections in the lungs. The buildup of thick mucous called sputum in the lungs ...

Biological samples come in all shapes and sizes, for example, tough and fibrous plants, hard bones, soft muscles, tough and viscous sputum, or tumor or liver tissue. In addition, there are millions of ...