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Continue to Chat#COVID19 Preprint Journal Club; "Identification of SARS-CoV-2 RNA in Healthcare Heating, Ventilation, and Air Conditioning Units" https://microbe.net/2020/06/29/covid19-preprint-journal-club-identification-of-sars-cov-2-rna-in-healthcare-heating-ventilation-and-air-conditioning-units/