We assessed the sensitivity and specificity of SARS-CoV-2 detection by polymerase chain reaction in heat and moisture exchange filters (HMEF) in mechanically ventilated COVID-19 patients. We showed that testing HMEF might obviate the need for a tracheal sample to affirm that a patient is not ready to end isolation.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9008093PMC
http://dx.doi.org/10.1016/j.jmii.2022.04.002DOI Listing

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