Precautions before nucleic acid testing What are the precautions before nucleic acid testing?

1. Bring your mobile phone, ID card or household registration book.

2. Try not to eat 2 hours before sampling to avoid vomiting.

3. Do not smoke, drink, drink or chew gum within 30 minutes before sampling.

4. Testers need to wear masks correctly and take them off before testing.

5. Wear it immediately after testing, and you can also prepare a spare mask for easy replacement after pollution.