It is just one (similar to our daily cotton swab except that it is a product used to extract DNA). The oral swabstickis stretched into the cavity, hung back and forth on the inner wall of the oral cavity many times, packaged and sent to the testing agency for testing.
The principle is to collect oral epithelial mucosal cells, and complete DNA identification by detecting the DNA in these cells.
Coronavirus Swab
Preparation: medical oral swab, paper material evidence packaging bag. Wear: disposable sterile gloves, sterile non-woven mask. Fill in the material evidence bag information, mark the sampling date, and collect two to three clean toilet papers and put them on the table.
Sampling: Give the appraised person a glass of water (for gargle) and ask him to rinse his mouth briefly to clean the food residues in the oral cavity (if the appraised person is an infant, ask his guardian to feed a small amount of boiling water first) and then ask the appraiser to take it naturally Open the mouth, use a medical disposable sampling swab to gently press on the tongue or buccal mucosa and rotate the oral swab 3-5 times. In the same way, take samples of 2-3 swabs and place them on a clean paper towel to dry naturally. (Estimated about 2 hours)
After verifying the correctness with the appraised person, put the cotton swab just taken in a paper material evidence packaging bag filled with the information of the appraised person.
Oral Swab Stick
A. Avoid touching the cotton swab head with your hands. Please rinse your mouth with clean water before collecting. The oral swabstick collected by the above method can be stored in a dry environment for 2-3 months.
B. The buccal swab should be dried in the shade and put in a paper envelope to prevent the buccal swab from being moldy and affecting the test.
C. The oral swabstick of different people need to be stored separately and identified.
D. Half an hour before the oral mucosal cells are collected, do not drink caffeine, carbonated beverages or fruit juices, such as coffee, tea or cola. Before collecting oral mucosa cells, please rinse with water mouth.
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