CORD-19:1319a4dbbc3d7b9001f67f9739ec378b7362ac8c / 19592-19857
Annnotations
Moreover, microbiological evaluation of the sputum, as performed by Honkinen et al. [22] , does not necessarily lead to the identification of the true etiology because bacteria might be contaminants from the nasopharynx and are frequently carried by young children.