How to avoid accidental viral infection during nucleic acid swab specimen collection？

In nucleic acid testing, there are several factors that may increase the chance of viral infection. How to avoid accidental infection during nucleic acid sampling?

1 The first suggestion is to hold your breath while sampling pcr nasal swab to avoid exhaling or inhaling aerosols in nasal swab test.

2 The second suggestion, we default nucleic acid collection area belongs to the contaminated area, so do not touch anything in nasal swab test area.

3 The third suggestion, after going home, we can change the mask and take a bath.

With these measures, the risk of infection can be minimized during nucleic acid sampling.