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Methods: the virus swab specimens were collected

We all know that the collection method of virus swab specimen is basically to use the swab to sample the infected place or part of the virus, and then put it into the virus sampling tube containing preservation solution without touching other places, so as to conduct virus detection later. So basically, the soup is changed without changing the dressing.

For example, throat swabs and nasal swabs were used to detect new coronavirus

Methods of throat swab collection

Inform the patient of the purpose of examination, collection method and collection time. It is best to collect specimens before using antibiotics.

Objective: To study the clinical effect of the method

Secretions were collected from pharynx or tonsil for bacterial culture or virus isolation to assist in clinical diagnosis and treatment.

Prepare sampling supplies:

Disposable sampling swab, virus sampling tube, tongue depressor and biological bag

Operation method:

(1) Ask the patient to sit down, tilt his head back, open his mouth and make a “ah ~” sound

(2) The patient’s tongue was fixed with a tongue depressor, and a disposable swab was used to cross the tongue base to the posterior pharyngeal wall, tonsil recess and lateral wall;

(3) Repeatedly wipe 3-5 times to collect mucous membrane cells or sputum

(4) . gently remove the swab to avoid touching the tongue, the suspension, the oral mucosa and saliva

(5) Put the swab into the virus sampling tube gently and vertically. Break off the tail of the swab, and leave the tail of the swab so that it is completely placed in the tube. Be careful that the swab does not touch the wall of the tube.

(6) . tighten the cap, mark it, and seal it in the biosafety bag.

(7) It should be sent to the laboratory for testing in time. If it can not be sent for inspection in time, it should be stored at low temperature.

Methods: nasal swabs were collected

(1) Ask the patient to sit down with his head slightly back and remove the secretion from the front nostril first;

(2) . measure the distance from nostril to ear base with swab and mark with finger

(3) . gently insert the swab into the nostril until it is marked or stopped when there is obstruction. Let the swab stay in the nose for 15-30 seconds, and then rotate it gently three times.

(4) . slowly pull out the nasal swab and quickly put it into the virus sampling tube. Then break the swab, leave its tail and place it completely in the tube.

(5) . tighten the cap, mark it, and seal it in the biosafety bag.

(6) If it is necessary to collect from two nostrils, one swab should be used.

(7) It should be sent to the laboratory for testing in time. If it can not be sent for inspection in time, it should be stored at low temperature.

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