Figure legends
Figure 1: The health worker with a full body gown and all PPE for the safe execution of nasopharyngeal and/or oropharyngeal swabs.
Figure 2: The mark on the swab stick indicates the correct insertion depth.
Figure 3: Endoscopic view of the swab on the posterior wall of the nasopharynx.
Figure 4: The path that the healthcare professional should follow to avoid contaminating the rooms. A) Changing room for dressing; B) COVID area for the execution of the swabs; C) Changing room for undressing; D) Clean external common area