STEP 3-1. With nasal swab, insert the swab into nostril to nasopharynx, leave the swab in place for a few seconds then slowly with- draw the swab in a rotating motion.
STEP 3-2. With oral swab, swab the back of the throat near the tonsils thoroughly.
STEP 4. Put the swab into the virus preservation tube then break the swab at breaking- point