Nine-valent generally refers to the nine-valent HPV vaccine, and it is usually possible to get a new crown nucleic acid test after the nine-valent HPV vaccine. The main function of the injection of the nine-valent HPV vaccine is to prevent HPV types 6, 11, 16, 18, 31, 33, 45, 52 and 58, and also to prevent cervical cancer, vaginal cancer, warts and so on. And the main purpose of nucleic acid test is to diagnose whether the organism is infected with the new type of coronavirus, so the two are not conflicting and you can do the nucleic acid test after taking the nine-valent HPV vaccine. After the injection of HPV vaccine, you should stay in the hospital for a period of time for observation, so as to deal with allergies and other emergencies in a timely manner. Localized redness, swelling and pain after vaccination are normal phenomena, there is no need to worry too much, and local skin care can be strengthened. Nucleic acid test is negative in normal people, but if the result is positive, further examination is needed to confirm whether the new coronavirus is infected. It is recommended to consult a regular hospital for HPV vaccination and nucleic acid test to ensure the accuracy of the test results.