Abstract:Background Nasopharyngeal (NP) and oropharyngeal (OP) swab sampling for coronavirus disease 2019 (COVID-19) diagnosis may lead to droplet and/or airborne particle transmission and increase the exposure risk for health care workers (HCWs). However, there is limited evidence for effective methods to reduce occupational exposure from NP and OP swab sampling. This study aimed to reduce droplet-forming responses (DFRs) and the related exposure risk of NP and OP swab sampling by administering 10% lidocaine spray (LS… Show more
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