Os resultados da amostragem de swab oral são iguais aos da amostragem de sangue?

Os resultados da amostragem de swab oral são iguais aos da amostragem de sangue?

The specific steps of oral swab collection:
1. Prepare a medical cotton swab (single head), extend into the mouth cavity, and wipe the mucous membranes of the cheeks inside the mouth (inside the cheek) for more than 20 vezes, take out the cotton swab, and dry it on a clean white paper.
2. Collect 5 cotton swabs in the same way. Store in a clean paper envelope after cool and dry
3. Please don’t forget to mark the sample. Don’t make physical contact with other people.

The samples collected by the above methods can be stored in a dry environment for 2-3 meses.