Is oro/nasopharyngeal swab for SARS-CoV-2 detection a safe procedure? Complications observed among a case series of 4876 consecutive swabs

The coronavirus disease 2019 (COVID-19) caused by the Severe-Acute-Respiratory-Syndrome Coronavirus 2 (SARS-CoV-2) has widely spread throughout the world since December 2019 . One of the main symptoms of COVID-19 is alteration of smell or taste, suggesting that high viral load can be found in the nose . CDC guidelines have recommended that diagnostic swabs should be performed in specific areas of the respiratory tract such as the nasopharynx, oropharynx, nasal turbinate, and anterior nares. Nasal and nasopharyngeal swabbing requires the introduction of a foreign body into a delicate area that can result in harm to the patient. In this paper we present the complications encountered in a series of health workers who underwent oro/nasopharyngeal swab for detection of SARS-CoV-2.