10+ Nasal Swab Covid Test Diagram Pics. Tilt patient's head back slightly to straighten nasal passage. Centers for disease control and prevention are the oropharyngeal (back of the throat through the mouth) and anterior nares (up the nostril—although the nasopharyngeal is most effective.
The specimen should be collected as soon as possible aseptically remove sterile swab from package.
Why do i need a nasal swab? The two main branches detect either the presence of the virus or of antibodies produced in response. You may need this test if you have symptoms of a respiratory infection. Centers for disease control and prevention are the oropharyngeal (back of the throat through the mouth) and anterior nares (up the nostril—although the nasopharyngeal is most effective.
