Saliva: potential role in the diagnosis of human coronavirus

Saliva is a reservoir of the various biological marker and provides superiority over other biological fluids. Rapid and accurate diagnosis of SARS CoV-2 is essential to control the ongoing COVID-19 pandemic. Nasopharyngeal, oropharyngeal swab, bronchoalveolar lavage, sputum, urine, and blood are frequently tested sample but all these techniques are invasive and uncomfortable to the infected person. Therefore, the potential use of salivary sample can be taken into consideration as an alternative tool as it has various advantages over the current traditional methods. Salivary diagnostics also can be utilized as chair-side tests for various diseases soon through conscientious testing.

Keywords: SARS CoV-2; COVID-19; salivary biomarkers; diagnosis of viral infection.